233 million women lacking contraception in 2015: study
An estimated 233 million women in their fertile years will lack access to modern contraception by 2015, up from 221 million in 2010.
New drug said to reduce heart damage during surgery
A single dose of an experimental anti-inflammatory treatment reduces heart muscle damage during an angioplasty operation to open blocked arteries.
NASA's Curiosity rover to be back online next week
NASA's Curiosity rover, which has been exploring Mars since it landed to much fanfare last August, should be running at full capacity next week, after a memory glitch set the robot back.
Daily-dose HIV prevention fails for African women: study
Daily doses of drugs or vaginal gels have proven ineffective at preventing HIV infections in southern Africa, a study out Monday revealed, saying most of the women failed to use them as directed.
Asia has the world's most billionaires: survey
Asia has more billionaires than any other continent, followed by North America and Europe, according to a survey.
New study finds anti-nausea drug safe for pregnancy
Morning sickness is an all-too-common side effect of pregnancy, and a new study out Wednesday said a medication used to treat the most serious cases is safe for fetuses.
Study boosts link between flu vaccine, sleep disorder
A study in England has strengthened evidence from Scandinavia that a vaccine used to prevent pandemic flu boosted the risk of sleep disorder among teens and children.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.