Diabetes link to low sleep hormone levels: study
A decrease in levels of the sleep hormone melatonin has been linked to an increased risk of adult onset diabetes.
Eating fish linked to longer life: US study
People age 65 and older who eat fish may live an average of two years longer than people who do not consume the omega-3 fatty acids found mainly in seafood.
Arctic 'greening' seen through global warming
Land within the Arctic circle is likely to experience explosive "greening" in the next few decades as grass, shrubs and trees thrive in soil stripped of ice and permafrost by global warming, a study said on Sunday.
Physical therapy can be as good as knee surgery: study
Physical therapy is often as effective as knee surgery when treating patients with tears to the meniscus or arthritis.
Extra pounds don't cancel benefits of quitting smoking
Quitting smoking sharply reduces the risk of heart disease -- even if kicking the habit comes along with a few extra pounds.
Less sleep leads to more eating, weight gain: study
Sleeping a mere five hours a night during a workweek with unlimited access to snacks isn't good for your waistline.
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.