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Early Promise for Malaria Vaccine that Mimics Bites

A new kind of malaria vaccine that mimics the effect of mosquito bites has shown early promise by offering 100 percent protection to a dozen human volunteers, researchers said Thursday.

The experimental vaccine, called PfSPZ and produced by the Maryland-based company Sanaria, contains live malaria parasites collected through a painstaking process of dissecting the salivary glands of mosquitoes.

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U.S. Sees Slight Decline in Obesity among Poor Children

The United States has seen a slight decline in obesity among low-income preschoolers for the first time in decades, according to government figures.

A report by the Centers for Disease Control and Prevention found a slight decline in 19 states from 2008-2011.

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First Likely Case of H7N9 Bird Flu Spread by Humans Reported

Chinese scientists on Wednesday reported the first likely case of direct person-to-person transmission of the H7N9 bird flu virus that has killed over 40 people since March.

The development was "worrying" and should be closely watched, the team wrote in the British online journal bmj.com, but stressed that the virus, believed to jump from birds to people, was still inadept at spreading among humans.

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Fonterra CEO: All Tainted Milk Powder off the Shelves

New Zealand dairy giant Fonterra moved to assure parents Wednesday that tainted baby formula which has sparked global safety recalls has all been removed from retailer's shelves.

No products containing a potentially deadly bug, which were distributed from China to Saudi Arabia, were in the shops, Fonterra chief executive Theo Spierings said.

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Survey: Most Americans Don't Want to Live Past 100

Most Americans do not want to live beyond age 100, and a poll out Tuesday suggests many worry that anti-aging technologies may end up being a luxury for the rich.

The survey of more than 2,000 people by the Pew Research Center's Religion and Public Life Project sought to probe the nation's views on the prospect of living longer lives.

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Study Explains How Sleep Loss Can Make You Fat

Scientists said Tuesday they had found evidence that a lack of sleep causes changes in brain activity that lead to people feeling hungrier and craving more fattening foods.

Researchers have long pointed to a correlation between a steep rise in obesity in industrialized nations and a decline in sleep duration.

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Brazilian Scientists to Test AIDS Vaccine on Monkeys

Brazilian scientists have developed an HIV vaccine and plan to begin testing on monkeys later this year, a sponsor institution said Monday.

Known as the HIVBr18, the vaccine against the virus that causes AIDS was developed and patented by a team from the Medicine Faculty of the University of Sao Paulo, the Sao Paulo state Research Foundation (FAPESP) said.

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China Orders Abbott Recall on Milk Scare

hina has ordered U.S. pharmaceutical company Abbott to recall some products in the country over a botulism scare centered on New Zealand dairy giant Fonterra, authorities said Tuesday.

Two batches of Abbott's baby formula "risked having been contaminated by clostridium botulinum", the General Administration of Quality Supervision, Inspection and Quarantine (AQSIQ) said in a statement.

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Old Tobacco Playbook Gets New Use by E-Cigarettes

Companies vying for a stake in the fast-growing electronic cigarette business are reviving the decades-old marketing tactics the tobacco industry used to hook generations of Americans on regular smokes.

They're using cab-top and bus stop displays, sponsoring race cars and events, and encouraging smokers to "rise from the ashes" and take back their freedom in slick TV commercials featuring celebrities like TV personality Jenny McCarthy.

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China Steps Up Warning over NZ Milk Scare

China stepped up warnings to consumers Monday over a botulism scare involving products from a New Zealand dairy company, and has demanded affected importers check their sales records.

The General Administration of Quality Supervision, Inspection and Quarantine (AQSIQ) said it was "warning consumers" following an alert over a bacteria that could lead to the potentially fatal illness.

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