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Lack of sleep leads to groggy genes: study Lack of sleep has a potentially harmful effect on gene expression, according to a study out Tuesday that sheds light on the link between sleep deficits and a wide range of health conditions.

27 February 2013

New study links extreme weather to climate change Scientists said Monday they have identified a physical mechanism behind the extreme weather that has plagued many parts of the world in recent years -- and that it is tied to climate change.

27 February 2013

Volunteering good for the heart: study Volunteer work has long been touted as good for the soul, but the practice is also good for your heart, according to a study out Monday in the journal JAMA Pediatrics.

26 February 2013

Lifelike ears created with 3D printing Researchers said Wednesday they had engineered artificial human ears that look and act like the real thing thanks to 3D printing, giving hope to patients missing all or part of their ears.

21 February 2013

Smog causes surge in heart deaths: study Exposure to higher levels of fine particulates -- the airborne pollution that is an emerging problem in many Asian cities -- causes a sharp rise in deaths from heart attacks.

20 February 2013

Childhood TV addicts more likely to commit crime: study Children who watch excessive amounts of television are more likely to have criminal convictions and show aggressive personality traits as adults.

19 February 2013

Bisphenol A may not be negatively affecting humans: studies A total of 150 scientific studies have shown that bisphenol A (BPA), a controversial component of plastic bottles and canned food linings, may be used in quantities too small to negatively affect human health.

16 February 2013

Reptiles are at risk, study finds Almost one in five of the world's reptile species are in danger of extinction as their habitats are cleared away for farming and logging.

15 February 2013

Cosmic ray mystery lifted in new findings Cosmic rays -- fast-moving particles that constantly pummel our planet -- come from the explosion of supernovae, new research confirmed Thursday, resolving an astronomical mystery.

15 February 2013

Genetically engineered virus kills cancer: study A genetically-engineered virus tested in 30 terminally-ill liver cancer patients significantly prolonged their lives, killing tumours and inhibiting the growth of new ones.

11 February 2013

US immigrants' kids almost as well off as natives: study Second-generation immigrants in the United States are far better off than their parents and almost as well-placed as the offspring of native-born Americans.

08 February 2013

Alzheimer's cases to triple by 2050: study Alzheimer's disease cases in the US will nearly triple in the next 40 years, according to new projections Wednesday that suggest there will be nearly 14 million sufferers by 2050.

08 February 2013

Study finds genetic cause for common heart ailment A genetic variation doubles the risk of developing calcium deposits in the heart, a common condition that, in severe cases, can narrow or block the aorta.

07 February 2013

Internet users seeking more 'invisibility': study Consumer efforts to protect personal data and remain "invisible" online is leading to a "data blackhole" that could adversely impact digital advertisers.

06 February 2013

Online search ads expose racial bias: study Ads pegged to Google search results can be racially biased because of how certain names are associated with blacks or whites.

05 February 2013

Couch potatoes have lower sperm counts Men who watch television for 20 hours per week have almost half the sperm count of those who watch very little television or none at all.

05 February 2013

Erectile dysfunction signals heart troubles: study Erectile dysfunction might signal more than a need for the little purple pill, researchers said Tuesday in a study showing a link with heart disease and early death.

31 January 2013

Gays who come out are less stressed: Canada study Gays and lesbians who come out about their sexual orientation are less stressed than those who remain in the closet, and often more relaxed than heterosexuals.

30 January 2013

Women smokers face greater health risks than in past: study Women smokers are at a greater risk than at any time in recent decades from lung cancer and other ailments linked to their tobacco use.

25 January 2013

Climate: 'Rock' fix for oceans is badly flawed: study Claims that global warming can be braked by dissolving huge quantities of rock in the sea to absorb carbon emissions are laden with flaws.

22 January 2013

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