Researchers ignited a debate three years ago when they changed a deadly flu virus so that it could spread between people. Only five mutations are needed to turn the virus into a pandemic threat.

It's easy to think that a shaking hand could be caused by Parkinson's disease. But it's more likely essential tremor, an ailment that's not life threatening but can become debilitating.

A new study suggests that when it comes to the optimal amount of salt intake, there may be more leeway than we thought. But some doctors say we still need to lower sodium to control blood pressure.

Commonly used antidepressants don't work for many people. That's why scientists are experimenting with ketamine, a hallucinogenic club drug called Special K.

Karl Sutton belongs to a farmers co-op in Montana where member-owners share costs and revenue. A health insurance co-op appeals to him, too - but can the model grow beyond its niche market?

Mammograms can prevent breast cancer deaths, but each woman's benefit or harm will vary widely based on her age and underlying cancer risks, a study finds. More individualized advice would help.

People with diabetes who had gastric bypass surgery had much better control of blood sugar three years later. But most still hadn't met the goal of returning to normal sugar levels, a study finds.

Butler College of Pharmacy and Health Science students will be performing a number of free screenings on Saturday.

More than 70,000 deaths a year are caused by hospital-acquired infections, a CDC survey of U.S. hospitals finds. The numbers are improving, doctors say, but not fast enough.

Women can give birth in water at a growing number of hospitals, but the nation's pediatricians and obstetricians say there's not enough proof that it's safe. Midwives say it's safe for many women.