U.S. unemployment holds at 7.8%

CBS News business and economics correspondent Rebecca Jarvis talks to Norah O'Donnell and Anthony Mason about the final jobs report of 2012 to be released later today.









The pace of hiring by U.S. employers eased slightly in December, pointing to a lackluster pace of economic growth that was unable to make further inroads in the country's still high unemployment rate.

Payrolls outside the farming sector grew 155,000 last month, the Labor Department said on Friday. That was in line with analysts' expectations and slightly below the level for November.






Gains in employment were distributed broadly throughout the economy, from manufacturing and construction to health care.

That should reinforce expectations that the economy will grow about 2 percent this year, unlikely to quickly bring down the unemployment rate or make the U.S. Federal Reserve rethink its easy-money policies, which have been propping up the recovery.

"It's not a booming economy, but it is growing," Jim O'Sullivan, an economist at High Frequency Economics in Valhalla, New York, said before the data was released.

The jobless rate held steady at 7.8 percent in December, down nearly a percentage point from a year earlier but still well above the average rate over the last 60 years of about 6 percent.

The Labor Department raised its estimate for the unemployment rate in November by a tenth of a point to 7.8 percent, citing a slight change in the labor market's seasonal swings.

Most economists expect the U.S. economy will be held back by tax hikes this year as well as by weak spending by households and businesses, which are still trying to reduce their debt burdens.

Friday's data nonetheless gave signals of growing momentum in the labor market's recovery from the 2007-09 recession. Many economists had expected December's payroll gains to be padded by one-time factors like the recovery from a mammoth storm that hit the East Coast in late October.

The government had said last month the storm had no substantial impact on the November data, and many economists expected the government to recant by revising downward in Friday's report its estimate for payroll gains in November. Instead, the government revised its estimate for November payrolls upward by 15,000.

"There is some evidence that underlying jobs growth has improved," Paul Dales, an economist at Capital Economics in London, said before the report was released.

AUSTERITY'S BITE

Despite the signs of some momentum in hiring, a wave of government spending cuts due to begin around March loom over the economy.

Many economic forecasts assume the cuts - which would hit the military, education and other areas - will ultimately be pushed into next year as part of a deal sought by lawmakers to reduce gradually the government's debt burden.

Initially, the cuts were planned to have begun this month as part of a $600 billion austerity package that also included tax hikes. Hiring in December may have been slowed by uncertainty over the timing of the austerity, economists say.

Congress this week passed legislation to avoid most of the tax hikes and postpone the spending cuts.

Even with the last-minute deal to avoid much of the "fiscal cliff," most workers will see their take-home pay reduced this month as a two-year cut in payroll taxes expires.

That leaves the Fed's efforts to lower borrowing costs as the main program for stimulating the economy.

The Fed has kept interest rates near zero since 2008, and in September promised open-ended bond purchases to support lending further. On Thursday, however, minutes from the Fed's December policy review pointed to rising concerns over how the asset purchases will affect financial markets.

Analysts ahead of the report expected some of the strength in job creation in December would be due to the Fed's policies.

"Despite the end-of-year angst over the ‘fiscal cliff,' financial conditions remained supportive of job growth in December," economists at Nomura said in a note to clients earlier in the week.
 

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Bills expected to interview Smith













Lovie Smith


Former Bears coach Lovie Smith.
(John Gress/Getty Images / January 3, 2013)


























































Lovie Smith is expected to be inteviewed by the Buffalo Bills.


The Tribune has confirmed a report by NFL.com's Ian Rapoport that the Bills will officially interview the former Bears coach soon.


Smith, who was fired Monday, is also reportedly interested in the Cardinals top job.








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The Most and Least Influential Social Media Celebs






While he isn’t currently available for promotional work, businesses would have the most success on social media with President Barack Obama endorsing their goods and services, new research shows.


A study by social marketing platform SocialToaster revealed that Obama is considered the most influential celebrity on social media. Justin Bieber, Lady Gaga, Ashton Kutcher and Anderson Cooper followed the president on the rankings of social influencers.






On the flip side, the research found that former Republican presidential nominee Mitt Romney was the least influential celebrity on social media, finishing just below Madonna, Kanye West and Sean Hannity.


While celebrities might be influential on social media in some aspects, it’s those closest to us who make the largest impact when it comes to the important issues. Nearly all of the social media users surveyed agreed that a social media post from a close friend or family member was most likely to influence them on important subjects, with politicians and athletes the least likely to influence them.


“While it was no surprise that in this election year Barack Obama would be ranked the most influential person in social media, it was surprising to us that Justin Bieber and Lady Gaga would beat Madonna and Kanye West,” said Brian Razzaque, CEO of SocialToaster. “We were also surprised to see that friends had more pull than family when it came to influencing the sharing of social media content.”


Regardless of whom it comes from, there are some posts that will quickly result in an unfollowing, the study discovered. Nearly three-quarters of those surveyed said a racist post would cause them to immediately unfollow someone on social media. Other types of posts that result in a loss of followers include sexism, pornography, repetitive, overly personal posts and those that use poor grammar.


The researcher was based on surveys of 3,000 SocialToaster Super Fans, which consist of social media experts and professionals, many of whom work with some of the nation’s leading brands. The experts range from those who work in the entertainment industry who represent numerous television shows and movies to those who work in professional sports, including the Baltimore Ravens and the Detroit Pistons.


This story was provided by BusinessNewsDaily, a sister site to LiveScience. Follow Chad Brooks on Twitter @cbrooks76 or BusinessNewsDaily @BNDarticles. We’re also on Facebook & Google+.


Copyright 2012 LiveScience, a TechMediaNetwork company. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.
Social Media News Headlines – Yahoo! News





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“Hunger Games” and “Hobbit” most-anticipated films of 2013: poll






LOS ANGELES (Reuters) – This year will look a lot like 2012 at the box office, with “The Hunger Games” and Hobbits at the top of cinemagoers must-see lists, according to a survey by ticket-seller Fandango released on Thursday.


The second installment in “The Hunger Games” trilogy, “The Hunger Games: Catching Fire,” which is set for a November release, topped the list as 2013′s most-anticipated blockbuster.






The first film in the life-or-death thriller series starring Jennifer Lawrence, raked in some $ 687 million at the worldwide box office in 2012.


The Hobbit: The Desolation of Smaug,” director Peter Jackson‘s second installment in the “The Hobbit” series of elves and dwarves, ranked second on the survey that polled more than 2,000 moviegoers during the final week of 2012. It is scheduled to hit the big screen in December.


“People love the mega-franchises and that is what gets them most excited,” Dave Karger, Fandango chief correspondent, told Reuters. “The first ‘Hunger Games‘ whetted peoples’ appetites for more. The same can be said for ‘The Hobbit‘ and ‘Iron Man.’”


The superhero thriller “Iron Man 3″ starring Robert Downey Jr. ranked third on the list and is set for a May 3 release.


“Star Trek into Darkness” – the follow-up to 2009′s “Star Trek” science-fiction adventure – and “The Great Gatsby” starring Leonardo DiCaprio rounded out the top five. Both films are set to open in May.


‘JAZZED’ ABOUT FRANCHISES


The heavy dose of franchise films on the list indicates how familiarity can build buzz among moviegoers, Karger said.


“In the case of ‘The Hunger Games,’ many people who loved the movie have read the other books so they’re excited to see it brought to life,” he said. “The same with ‘The Hobbit‘ too.


“Some people say, ‘Where is the originality?’ but the fact of the matter is that these franchises are what people get most jazzed about.”


The survey also asked film fans to vote on the sexiest man and woman on the big screen in 2013, as well as best villain, breakout stars and best apocalyptic films.


Mila Kunis, who stars in upcoming film “Oz: The Great and Powerful,” was voted sexiest actress, while Channing Tatum was voted sexiest man for Paramount’s “G.I. Joe: Retaliation.” Both films are set for March releases.


Ben Kingsley (“Iron Man 3″) was voted most-anticipated villain, and June’s zombie thriller “World War Z” starring Brad Pitt was voted most-anticipated apocalyptic film.


British actress Alice Eve was voted biggest breakout actress for “Star Trek” while fellow Brit Henry Cavill got the nod as biggest breakout actor for playing Superman opposite Russell Crowe and Amy Adams in “Man of Steel,” which will be released in June.


Full results can be viewed at Fandango.com.


(Reporting by Eric Kelsey, editing by Jill Serjeant and Sandra Maler)


Movies News Headlines – Yahoo! News




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5-Hour Energy’s ‘No Crash Later’ Claim Is Disputed





The distributor of the top-selling energy “shot,” 5-Hour Energy, has long claimed on product labels, in promotions and in television advertisements that the concentrated caffeine drink produced “no crash later” — the type of letdown that consumers of energy drinks often feel when the beverages’ effects wear off.




But an advertising watchdog group said on Wednesday that it had told the company five years ago that the claim was unfounded and had urged it then to stop making it.


An executive of the group, the National Advertising Division, also said that 5-Hour Energy’s distributor, Living Essentials, had publicly misrepresented the organization’s position about the claim and that it planned to start a review that could lead to action against the company by the Federal Trade Commission.


“We recommended that the ‘no crash’ claim be discontinued because their own evidence showed there was a crash from the product,” said Andrea C. Levine, director the National Advertising Division. The organization, which is affiliated with the Council of Better Business Bureaus, reviews ad claims for accuracy.


The emerging dispute between Living Essentials and the National Advertising Division is unusual because the $10 billion energy drink industry is rife with questionable marketing. And Living Essentials, which recently cited the advertising group’s support in seeking to defend the “no crash” claim, may have opened the door to greater scrutiny.


Major producers like 5-Hour Energy, Red Bull, Monster Energy and Rockstar Energy all say their products contain proprietary blends of ingredients that provide a range of mental and physical benefits. But the companies have conducted few studies to show that the costly products provide anything more than a blast of caffeine, a stimulant found in beverages like coffee, tea or cola-flavored sodas.


The dispute over 5-Hour Energy’s claim also comes as regulatory review of the high-caffeine drinks is increasing. The Food and Drug Administration recently disclosed that it had received reports over the last four years citing the possible role of 5-Hour Energy in 13 deaths. The mention of a product in an F.D.A. report does not mean it caused a death or injury. Living Essentials says it knows of no problems related to its products.


The issue surrounding the company’s “no crash” claim dates to 2007, when National Advertising Division began reviewing all of 5-Hour Energy’s marketing claims. That same year, the company conducted a clinical trial of the energy shot that compared it to Red Bull and Monster Energy.


At the time, Living Essentials was already using the “No crash later” claim. An article on Wednesday in The New York Times reported that the study had shown that 24 percent of those who used 5-Hour Energy suffered a “moderately severe” crash hours after consuming it. The study reported higher crash rates for Red Bull and Monster Energy.


When asked how those findings squared with the company’s “no crash” claim, Elaine Lutz, a spokeswoman for Living Essentials, said the company had amended the claim after the 2007 review by the National Advertising Division. In doing so, it added an asterisklike mark after the claim on product labels and in promotions. The mark referred to additional labeling language stating that “no crash means no sugar crash.” Unlike Red Bull and Monster Energy, 5-Hour Energy does not contain sugar.


Ms. Lutz said that based on the modification, the advertising accuracy group “found all of our claims to be substantiated.”


However, Ms. Levine, the advertising group’s director, took sharp exception to that assertion, saying it mischaracterized the group’s decision. And a review of the reports suggested that Living Essentials had simply added language of its choosing to its label rather than doing what the group had recommended — drop the “no crash” claim altogether.


That review concluded that the company’s 2007 study had shown there was evidence to support a “qualified claim that 5-Hour Energy results in less of a crash than Red Bull and Monster” Energy. But it added the study, which showed that 5-Hour Energy users experienced caffeine-related crashes, was inadequate to support a “no crash” claim.


Ms. Levine said Living Essentials had apparently decided to use the parts of the group’s report that it liked and ignore others.


Companies “are not permitted to mischaracterize our decisions or misuse them for commercial purposes,” she said.


She said the group planned to notify Living Essentials that it was reopening its review of the “no crash later” claim. If the company fails to respond or provides an inadequate response, the National Advertising Division will probably refer the matter to the F.T.C., she said.


A Democratic lawmaker, Representative Edward Markey of Massachusetts, has asked that the agency review energy drink marketing claims.


Asked about the position of the National Advertising Division, Ms. Lutz, the 5-Hour Energy spokeswoman, stated in an e-mail that the “no sugar crash” language had been added to address the group’s concern.


This article has been revised to reflect the following correction:

Correction: January 2, 2013

An earlier version of this article misstated the number of deaths in which the Food and Drug Administration said 5-Hour Energy possibly played a role. The number was 13, not 15.



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Net worth of world's richest rose by $241B in 2012









The richest people on the planet got richer in 2012, adding $241 billion to their collective net worth, according to the Bloomberg Billionaires Index, a daily ranking of the world's 100 wealthiest individuals.

The aggregate net worth of the world's top moguls stood at $1.9 trillion at the market close on Dec. 31, according to the index. Retail and telecommunications fortunes surged about 20 percent on average during the year. Of the 100 people who appeared on the final ranking of 2012, only 16 registered a net loss for the 12-month period.

"Last year was a great one for the world's billionaires," said John Catsimatidis, the billionaire owner of Red Apple Group, in an e-mail written poolside on his BlackBerry in the Bahamas. "In -- that will give them an advantage."

Amancio Ortega, the Spaniard who founded retailer Inditex SA, was the year's biggest gainer. The 76-year-old tycoon's fortune increased $22.2 billion to $57.5 billion, according to the index, as shares of Inditex, operator of the Zara clothing chain, rose 66.7 percent.

"It's an amazing company that has done great and the gains are quite justified given its performance," said Christodoulos Chaviaras, an analyst at Barclays Plc in London who has had an "equalweight" rating on Inditex for about a year. "Can they repeat that? It will be harder. A lot of the positive news is already reflected in the share price."

Global stocks soared in 2012. The MSCI World Index gained 13.2 percent during the year to close at 1,338.50 on Dec. 31. The Standard and Poor's 500 Index rose 13.4 percent to close at 1,426.19.

European stocks surged in the second half of the year. The Stoxx Europe 600 is up 19.6 percent since June 4, advancing as the European Central Bank introduced bond-buying programs, S&P upgraded Greece's debt and German business confidence rose more than forecast. The benchmark gauge's 14.4 percent advance for the year was the best annual return since 2009.

Carlos Slim, the telecommunications magnate who controls Mexico's America Movil SAB, remained the richest person on Earth for the year. The 72-year-old's net worth rose $13.4 billion -- or 21.6 percent -- through Dec. 31, making him the second-biggest gainer by dollars.

Gains by Slim's industrial conglomerate, Grupo Carso, and Grupo Financiero Inbursa, his banking and insurance operation, more than offset the decline posted by America Movil, his biggest holding. The largest mobile phone operator in the Americas by subscribers fell 5.8 percent to close at 14.9 pesos at the end of the year.

"America Movil is no longer the growth story that it has been, given the increase in Latin American wireless penetration over the last five years," said Chris King, an analyst at Stifel Nicolaus & Co. in Baltimore, Md. "It continues to generate a very high amount of cash flow and has the best set of telecom assets across Latin America."

According to King, one of Slim's biggest challenges will be dealing with regulation in Mexico and Colombia designed to punish or even-out the market share between America Movil and its competitors. Of the 14 analysts who cover the stock, 71 percent have a buy rating on the company, with an average target price of 19.15 pesos per share, according to data compiled by Bloomberg.

U.S. software mogul Bill Gates, 57, ranks second on the list, trailing Slim by $12.5 billion. The Microsoft co-founder added $7 billion to his net worth as shares of the Redmond, Wash.-based company rose 2.9 percent. Microsoft stock accounts for less than 20 percent of the billionaire's fortune.

Warren Buffett, 82, lost his title as the world's third- richest man to Ortega Aug. 6. The Berkshire Hathaway chairman gained $5.1 billion during the year, even after donating 22.3 million Berkshire Class B shares in July to charity. The billionaire, who has pledged to give away most of his fortune, spent much of the year pressing for higher taxes on the wealthy.

"On incomes of over $1 million, the excess $1 million should have a minimum tax of 30 percent. And then over $10 million, 35 percent," Buffett said in an interview with Charlie Rose in November. "Tax law should be progressive. And I think that when people make $15 million or $20 million or $200 million and pay a 10 percent rate, something should be done about it."

IKEA founder Ingvar Kamprad, 86, is the world's fifth- richest person with a $42.9 billion fortune. The complex ownership structure behind IKEA, the world's largest furniture retailer, became more transparent in August after IKEA's franchisor published its financial performance publicly for the first time. His net worth rose 16.6 percent in 2012.

Brazil's Eike Batista, 56, was the year's biggest loser by dollars, falling $10.1 billion. The commodities maven, who vowed a year ago that he'd become the world's wealthiest man by 2015, sold a 5.63 percent stake in his EBX Group in March to Abu Dhabi's Mubadala Development.

As part of the deal, he pledged an unspecified additional stake in 2019 if he fails to meet a 5 percent annual return on the sovereign wealth fund's $2 billion investment, according to a person with knowledge of the deal. Batista now ranks 75th in the world with a $12.4 billion net worth. On March 27, he was worth $34.5 billion and ranked 8th on the Bloomberg index.

"Next year is going to be a lot of work for Eike," said Lucas Brendler, who helps manage about 6 billion reais at Banco Geracao Futuro de Investimentos in Porto Alegre, Brazil. "It's going to be a year for him to recover investors' confidence, and to leave the realm of theory and start delivering results. The EBX companies have great growth potential."

Batista's former title as the richest Brazilian is now held by 73-year-old banker Jorge Paulo Lemann, who ranks 37th with an $18.8 billion fortune. The country's second-richest person is Dirce Camargo, the matriarch behind Camargo Correa SA, the Sao Paulo-based conglomerate that has interests in cement, electricity and Havaianas flip-flops. Her net worth is $13.4 billion, according to the Bloomberg ranking.

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Taxes to rise for most Americans despite 'fiscal cliff' deal












President Barack Obama and congressional Republicans looked ahead today toward the next round of even bigger budget fights after reaching a hard-fought "fiscal cliff" deal that narrowly averted potentially devastating tax hikes and spending cuts.


The agreement, approved late on Tuesday by the Republican-led House of Representatives after a bitter political struggle, was a victory for Obama, who had won re-election on a promise to address budget woes in part by raising taxes on the wealthiest Americans.











But it set up political showdowns over the next two months on spending cuts and on raising the nation's limit on borrowing. Republicans, angry the deal did little to curb the federal deficit, promised to use the debt ceiling debate to win deep spending cuts next time.


Republicans, who acknowledged they had lost the fiscal cliff fight by agreeing to raise taxes on the wealthy without gaining much in return, vowed the next deal would have to include significant cuts in government benefit programs like Medicare and Medicaid health care for retirees and the poor that were the biggest drivers of federal debt.


"This is going to be much uglier to me than the tax issue … this is going to be about entitlement reform," Republican Senator Bob Corker of Tennessee said on CNBC.


Obama urged "a little less drama" when the Congress and White House next address thorny fiscal issues like the government's rapidly mounting $16 trillion debt load.


While the tax package that Congress passed will protect 99 percent of Americans from an income tax increase, most of them will still end up paying more federal taxes in 2013.


That's because the legislation did nothing to prevent a temporary reduction in the Social Security payroll tax from expiring. In 2012, that 2-percentage-point cut in the payroll tax was worth about $1,000 to a worker making $50,000 a year.


The Tax Policy Center, a nonpartisan Washington research group, estimates that 77 percent of American households will face higher federal taxes in 2013 under the agreement negotiated between President Barack Obama and Senate Republicans. High-income families will feel the biggest tax increases, but many middle- and low-income families will pay higher taxes too.


Households making between $40,000 and $50,000 will face an average tax increase of $579 in 2013, according to the Tax Policy Center's analysis. Households making between $50,000 and $75,000 will face an average tax increase of $822.


"For most people, it's just the payroll tax," said Roberton Williams, a senior fellow at the Tax Policy Center.


The tax increases could be a lot higher. A huge package of tax cuts first enacted under President George W. Bush was scheduled to expire Tuesday as part of the "fiscal cliff." The Bush-era tax cuts lowered taxes for families at every income level, reduced investment taxes and the estate tax, and enhanced a number of tax credits, including a $1,000-per-child credit.


The package passed Tuesday by the Senate and House extends most the Bush-era tax cuts for individuals making less than $400,000 and married couples making less than $450,000.


Obama said the deal "protects 98 percent of Americans and 97 percent of small business owners from a middle-class tax hike. While neither Democrats nor Republicans got everything they wanted, this agreement is the right thing to do for our country."


The income threshold covers more than 99 percent of all households, exceeding Obama's claim, according to the Tax Policy Center. However, the increase in payroll taxes will hit nearly every wage earner.


Social Security is financed by a 12.4 percent tax on wages up to $113,700, with employers paying half and workers paying the other half. Obama and Congress reduced the share paid by workers from 6.2 percent to 4.2 percent for 2011 and 2012, saving a typical family about $1,000 a year.


Obama pushed hard to enact the payroll tax cut for 2011 and to extend it through 2012. But it was never fully embraced by either party, and this time around, there was general agreement to let it expire.


The new tax package would increase the income tax rate from 35 percent to 39.6 percent on income above $400,000 for individuals and $450,000 for married couples. Investment taxes would increase for people who fall in the new top tax bracket.


High-income families will also pay higher taxes this year as part of Obama's 2010 health care law. As part of that law, a new 3.8 percent tax is being imposed on investment income for individuals making more than $200,000 a year and couples making more than $250,000.


Together, the new tax package and Obama's health care law will produce significant tax increases for many high-income families.





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Apple testing new iPhone, iOS 7: report






(Reuters) – Apple Inc has started testing a new iPhone and the next version of its iOS software, news website The Next Web reported.


Apple shares were up 2.6 percent at $ 546.06 in premarket trading. The stock closed at $ 532.17 on the Nasdaq on Monday.






Application developers have found in their app usage logs references to a new iPhone identifier, iPhone 6.1, running iOS 7 operating system, the website reported. (http://r.reuters.com/fyd94t)


Apple‘s iPhone 5 bears the identifiers “iPhone 5.1″ and “iPhone 5.2″ and is powered by iOS 6 operating system.


Developer logs show that the app requests originate from an internet address on Apple’s Cupertino campus, suggesting that Apple engineers are testing compatibility for some of the popular apps, the website said.


“Although OS and device data can be faked, the unique IP footprint leading back to Apple’s Cupertino campus leads us to believe this is not one of those attempts,” the website said.


Apple launched iPhone 5 in September and it has been reported that the new iPhone will be released in the middle of 2013.


(Reporting by Supantha Mukherjee in Bangalore)


Tech News Headlines – Yahoo! News





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Jon Stewart to host Grammy’s MusiCares tribute






LOS ANGELES (AP) — Jon Stewart is hosting the MusiCares salute to Bruce Springsteen.


The Recording Academy also announced Wednesday that Elton John, Neil Young, Mumford & Sons, Sting, Mavis Staples and Kenny Chesney will be among more than a dozen performers who will help pay tribute to Springsteen during the Feb. 8 benefit concert, held in Los Angeles two days before the Grammy Awards.






Springsteen is MusiCare’s person of the year, an award given to a performer who is notable both artistically and philanthropically. The sold-out concert will benefit MusiCare’s emergency financial assistance and addiction recovery programs.


Other performers scheduled to appear include Juanes, Tim McGraw and Faith Hill, Jackson Browne and Alabama Shakes.


Stewart is the host of Comedy Central’s “The Daily Show With Jon Stewart.”


___


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In Theory: Pill Could Join Arsenal Against Bedbugs

THE HYPOTHESIS

A common deworming drug can be used to kill bedbugs.

THE INVESTIGATOR

Dr. Johnathan M. Sheele, Eastern Virginia Medical School

It was a visit to a cousin in New York City two years ago that inspired Thang D. Tran, a medical student at Eastern Virginia Medical School, to volunteer to become a human booby trap in the war on bedbugs.

“She told me everyone in New York was scared of bedbugs,” he said of his cousin. So when Dr. Johnathan M. Sheele, an emergency medicine specialist at his school, asked for volunteers to test a new way of killing the pests, Mr. Tran raised his arm. Soon, it was covered with itchy welts.

Dr. Sheele’s study, released at a tropical medicine convention in November, unveiled a possible new superweapon against Cimex lectularius: a deworming pill.

You take the pill and go to bed — perchance even to sleep, if you can sleep knowing how patiently bedbugs wait in your walls or mattress, sniffing for the sweet stream of your exhaled carbon dioxide and for your warm skin to grow still. You let them bite you. And then — in a few days — they die.

The technique is known as xenointoxication, which sounds like intergalactic beer pong but in medical pathology is Greek for “poisoning the guest.” In Dr. Sheele’s study, over 60 percent of the bedbugs died after volunteers like Mr. Tran took a single pill. Bigger or more regular doses might improve the lethality.

And it’s not as if the drug is rare and dangerous. It’s already in thousands of American households: ivermectin, the active ingredient in the beef-flavored Heartgard Chewables that kill heartworm in dogs.

(For humans, the brand name is Stromectol, and it is available by prescription only, usually for travelers who pick up worms overseas, or toddlers who get them from playing in sandboxes used by dogs.)

Ivermectin is also very safe. Millions of doses have been given to African children to kill the worms that cause river blindness. Many Papua New Guineans get double doses to kill scabies. One early study of the drug found that up to 10 times the normal dose was safe.

Ivermectin attacks a type of “gated chloride channel” in the nerves of insects that does not exist in mammals.

Dr. Sheele is not advising bedbug-tormented Americans to start eating Fido’s worm tablets. With only four volunteers, his study was tiny and preliminary, he emphasized. Neither the Food and Drug Administration nor any medical society has approved using ivermectin this way, and no one yet knows what the ideal antibedbug dose is.

But ivermectin experts say his idea isn’t crazy.

“Maybe partially crazy,” said Dr. Peter J. Hotez, dean of the National School of Tropical Medicine at Baylor College of Medicine. “But not entirely crazy.”

Dr. Hotez’s hesitation is mostly that bedbugs, unlike body lice and worms, do not cause disease, so xenointoxication seems heavy-handed.

But many Americans, including many New Yorkers, are so terrified of the bugs that they have spent thousands of dollars fighting them, so ivermectin could be cost-effective.

Brian D. Foy, a virologist at Colorado State University’s veterinary school, has shown that it also kills mosquitoes, and so could be used against malaria. His initial reaction to using it against bedbugs was that he thought it would be easier to clean one’s house and throw out one’s mattress.

“But maybe that’s just my ignorance about bedbugs,” he admitted. “We don’t have them out here in Colorado.”

(Local news reports do not back him up on that.)

“Needless to say,” he correctly pointed out, “this isn’t going to solve the problem of bedbugs in hotel rooms.”

Dr. Sheele speculated that ivermectin might be best used in combination with current measures like pesticides, desiccant powders, mattress covers, heat treatment, steaming and vacuuming. While it might not work alone, it could give exterminators a head start.

Dr. Frank O. Richards Jr., a parasitologist at the Carter Center in Atlanta who has spent years running programs in Africa and Asia that give out ivermectin donated by Merck to fight river blindness, said he was “excited to see how this plays out.” Americans might be initially squeamish about deworming pills, he said, but the country does have “a lot of worried rich people who don’t like bug bites.”

He has tracked women in his river-blindness programs who took ivermectin before realizing they were pregnant, he said, “and all their babies were cool.”Nonetheless, he said, even though one 2002 study found a huge dose to be safe, which theoretically means that multiple small ones also would be, “as a physician, I’d be very concerned about an off-label use like that.”

“If I gave that out, and something happened,” he continued, “I would not have a leg to stand on in court.”

Because each bug feeds only occasionally, he said, “I don’t buy that a week would do the trick. I think you’re going to need two, three, four weeks. And that’s concerning. We don’t have any toxicity data like that.”

Like Dr. Sheele, he favors more testing of multiple doses.

Ivermectin is not cheap. In the United States, a typical adult dose of Stromectol is about $40, and no generic version is sold legally. A year’s supply of Heartgard for a big dog can cost more than $100.

But, Dr. Sheele said, that pales beside the price of multiple visits by a team of exterminators.

He got interested in bedbugs, he said, because they plagued so many of his Norfolk, Va., emergency room patients.

“I even had one patient come in with a baggie full of them,” he said. “As a physician, there’s nothing you can do for them except give them Benadryl and steroids for the itching.”

He knew about ivermectin’s power to kill skin parasites because he had done a fellowship in international emergency medicine, he said.

His school provided financing but was nervous about letting him officially import bedbugs to campus, so he had to borrow the lab of a tick researcher at Old Dominion University. (Mr. Tran remembers it as humid and redolent of lab rats.)

Eastern Virginia Medical School also wanted animal studies before he recruited medical students, so he dosed mice first; in that case, 86 percent of the bedbugs died.

Now he hopes to find support for a full-fledged clinical trial.

And he is working on a new project: If xenointoxication kills bedbugs, he surmised, how about ticks?

The parasite-host relationship isn’t as predictable as it is between bedbugs and their dinner. But the stakes are higher, since ticks carry serious diseases like Lyme and babesiosis.

“It could be interesting for people who have to spend a lot of time in the woods — like soldiers,” he said.

Meanwhile, Mr. Tran and An Teng, another medical student and study participant, are enjoying their new notoriety.

“My friends were completely grossed out that I let myself be bitten,” said Mr. Tran, whose rash from the bites lasted for a month. “But working on something so relevant to society caught my attention.”


In this video from Eastern Virginia Medical School, one of the bedbug study participants demonstrates how he became human bait for bedbugs.

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