SCIENCE

Women with mutations in the well-known BRCA1 or BRCA2 genes who have their breasts and ovaries removed are much more likely to survive than women who do not get preventive surgery, U.S. researchers said on Tuesday.

Tens of millions of people in low and middle income countries would be pushed below the poverty line by buying common but vital medicines which are already unaffordable to hundreds of millions more, a study has found.

Full-term babies born a bit on the early or late side are at higher risk of cerebral palsy, according to a new study in nearly 1.7 million Norwegian children.

Minnesota Governor Tim Pawlenty directed state agencies on Tuesday to decline all discretionary participation in federal healthcare reform, throwing up roadblocks to President Barack Obama's goal of providing health insurance to all Americans.

Thousands of people are putting their health and life savings at risk to travel to private clinics around the world for unproven and potentially dangerous stem cell treatments, British experts said on Tuesday.

The U.S. Food and Drug Administration is weighing whether to allow a genetically engineered Atlantic salmon to be the first such animal to be sold as food. The fish is made by Aqua Bounty Technologies Inc

A new proposed diabetes test could miss millions of cases of diabetes and pre-diabetes and also over-diagnose black Americans if it was used as a screening tool, suggests a new study.

Some thirty years after authorities doled out the last dose of smallpox vaccine, the world faces another multiplying menace: monkeypox.

Finland's prevalence of chronic obstructive pulmonary disease (COPD), a group of serious lung diseases closely related to smoking, has held relatively steady in recent decades, a new study finds.

The Obama administration on Tuesday appealed a ruling that blocked federal funding of human embryonic stem cell research, asking the judge who issued the injunction to put it on hold pending the appeal.

Hormone replacement therapy after menopause may interfere with the accuracy of mammograms used to screen for breast cancer -- and the risk may be greater with hormones delivered by patch or injection compared with pills, a new study finds.

An experimental drug from Bristol-Myers Squibb and Pfizer reduces the risk of stroke by more than half compared with aspirin, with no significant rise in major bleeding, researchers said on Tuesday.

Sanofi-Aventis is doing everything possible to cajole, pressure and manipulate Genzyme Corp into entering acquisition talks based on its opening offer of $69 a share.

U.S. health officials are set to rule on whether a faster-growing, genetically engineered fish is safe to eat in a decision that could deliver the first altered animal food to consumers' dinner plates.

Researchers have found a vulnerable point in quantum cryptography systems: the system is only as strong as the hardware used to set it up.

U.S. health officials are set to rule on whether a faster-growing, genetically engineered fish is safe to eat in a decision that could deliver the first altered animal food to consumers' dinner plates.

Two Iowa egg farms linked to a salmonella outbreak that has sickened thousands failed to follow their own safety plans, allowing rodents and other animals into poultry houses, U.S. Food and Drug Administration inspectors found.

A Purdue University food scientist using infrared spectroscopy took only an hour to find harmful E. coli bacteria in ground beef, a discovery that could cut days off investigations of outbreaks, the university said in a statement on Monday.

Blacks treated with a drug-coated stent to open clogged heart arteries are nearly three times more likely to develop a life-threatening blood clot than whites, U.S. researchers said on Monday.

Biopsies taken to diagnose prostate cancer commonly cause temporary erectile dysfunction and, in some cases, lingering urinary problems, according to a new study.

Contrary to popular belief, new mothers may often get a decent amount of sleep in their babies' first few months -- but it's not a good-quality sleep, a new study suggests.

It was a cold, drizzly March morning this year when Ed Sproull's heart stopped beating.

In a small study, people who had chronic pain as a result of damage to the nervous system reported feeling less pain, as well as less depression and anxiety, when they smoked marijuana compared to when they smoked a drug-free placebo.

When it comes to treating very short kids with growth hormone, some doctors may be just as swayed by their own attitudes about being short as by data, suggests a new study.

Kids who suffer concussions should be cleared by a doctor before they start playing sports again, and parents and coaches should be aware that young athletes take longer to recover than college and professional athletes, according to a new report in Pediatrics.

In Europe, the philosophy is Buyer Be Aware. But in the U.S., it's Buyer Beware. American food labels have loads of nutritional information, but little that you can trust to tell you how it was produced.

France's Sanofi-Aventis disclosed its $18.5 billion offer for Genzyme Corp in a bid to rouse shareholders after failing to engage the company in merger talks.

An international scientific team has identified for the first time a genetic risk factor associated with common migraines and say their research could open the way for new treatments to prevent migraine attacks.

AstraZeneca's new blood-thinning drug Brilinta has been given a class 1 recommendation as a treatment option under European medical guidelines, even though it has yet to be approved for sale.