Nancy Shute

Antidepressants have been associated with a higher suicide risk in children and young adults, but this study found that there's even more danger when people start off taking higher doses.

International travel is one reason why the number of measles cases in the U.S. has spiked this year. But the number of people who refuse to get their children vaccinated is a factor, too.

By electrically stimulating the lower spine in men with paraplegia, researchers were able to get them to initiate movement. The big challenge is how to achieve coordinated motor control.

A young woman who didn't know she was infected with measles went to a Kings of Leon concert in Seattle. Public health investigators have reconstructed her movements to warn the public.

It's hard to get people to change their health behaviors for the better. Would putting drawings of simple health truisms on a pack of cards help? One creative tech geek wants to find out.

Allergy shots work, but they're inconvenient and painful. Now there are pills that can help people tolerate grass pollen. But allergies are rarely limited to grass alone.

Mammograms can prevent breast cancer deaths, but each woman's benefit or harm will vary 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.

Twenty years ago, many scientists didn't think that genes could cause diseases like cancer. The discovery of the BRCA gene for hereditary breast cancer changed that. Mary-Claire King tells how.

Marathons are increasingly popular with people who will never cross the finish line in under three hours. But do recreational runners benefit from the intense training? Researchers in Boston say yes.

The bottles that appear to have been tampered with contained tablets and capsules in various shapes and colors, rather than the turquoise capsule used for the over-the-counter medication alli.

Defiance and other behavior problems are common in children, and counseling can help. Offering mental health care at the pediatrician's office made it much more likely that children would attend.