How good are the newest artificial hips? I'll say this much: you can survive a dislocation with no medication -- if you've spent a lifetime quaffing Greek wine.

A study finds that many of them are high in phthalates EM] chemicals that have been linked to adverse health effects in high doses

While much was said at the United Nations summit on global warming, the world is still a ways from taking concrete action

Some of Greenland's residents want independence and full rights to the island's natural resources. Will they get it?

As police and lawmakers continue the fight against substance abuse, researchers are working on new ways to gauge America's addictions

A new report says gynecomastia, or male breasts, occurs in nearly half of all men. But most of the time, it's nothing to worry about

Sometimes less is more. But when it comes to exercise for diabetics, researchers find, the more you do, the better it is

German researchers are testing a highly controversial theory, using a low-carb, high-fat diet to help the sickest of cancer patients

A series of earthquakes in Indonesia bring back haunting memories of the 2004 tsunami, and prompt concerns over whether we're ready to handle another disaster

Growing evidence suggests that pollutants in car exhaust may trigger heart attacks

Breast milk is best for babies' health and well-being, but a new study finds it doesn't help prevent asthma or allergies

Kevin Everett's life-threatening spinal injury raises anew concerns about the dangers of the gridiron

A new report shows that people who take a daily dose of the vitamin are less likely to die from any cause

A new British study finds the clearest evidence yet that common food colorings and preservatives can trigger hyperactivity in normal children

In the first study of its kind, researchers pit human toddlers head-to-head against baby apes. The human kids won -- but what's important is why

We're all guilty of using our cell phones in off-limits areas. But a new study shows that in hospitals they can be hazardous to medical equipment

Australia's conservative, anti-Kyoto prime minister has pushed climate change to the top of the agenda for this week's APEC forum. But can the U.S. and China be brought onboard this time?

A new study shows that a standardized test of doctor communication skills can help create a nicer, better doctor of the future

Even elite athletes find it tough to work out: a new study shows that a surprising number of them suffer from exercise-induced asthma

A new study suggests that popular cholesterol-lowering drugs like Lipitor may help not just the heart, but the brain as well

Two people on the Indonesian tourist mecca have died of bird flu in a month, sparking new fears that it could spread

Three studies examine Americans' sleep deprivation, pointing to cellphones and work as chief culprits, and the consequences of sleeplessness for kids

Scientists find an enormous empty swath in space. How does it change what we know about the origins of the universe?

A new report says gestational diabetes is strongly linked to childhood obesity -- but there's a lot you can do to treat the condition