Patti Neighmond

Mathilde Krim, who died this week, was a vocal pioneer in HIV treatment and research at a time when discrimination against people with AIDS in the U.S. was rampant, even in medical care.

A survey of fitness professionals who keep track of how we exercise suggests 2018 is likely to find more of us trading fitness gadgets for high-intensity interval training and group classes.

The absolute risk is very low. But low-dose formulations of birth control pills and other hormone-releasing contraceptives pose about the same risk to breasts as older formulations, a big study finds.

Light therapy can help treat depression that's part of seasonal affective disorder, but it hasn't worked so well for treating bipolar disorder. It may come down to when people are exposed to light.

U.K. scientists say arthroscopic surgery to remove bone spurs or bits of ragged tissue in sore shoulders offered no more pain relief than sham surgery in their randomized test.

It's not proof of cause and effect, but should be a warning, researchers say. Surveys showed teens — especially girls — who spent hours online daily were more likely than others to report depression.

People with skin conditions like eczema need moisturizers to treat their dry, cracked and reddened skin. But research suggests many moisturizers are mislabeled and can make the skin conditions worse.

For the first time, the American Academy of Pediatrics has weighed in on what teens and young adults (and their doctors and parents) need to know about safely getting piercings and tattoos.

If you sit too much during middle age — at work and at home — your ability to exercise or even walk in late decades is at risk, a study hints. And, of course, your risk of heart disease climbs, too.

The whiter the smile the more attractive the person, research finds. Both men and women say white teeth matter when choosing a mate. This may be why whitening teeth is a $3.2 billion industry.

Girls are much less likely to be diagnosed with autism, but that may be because the signs of the disorder are different than in boys. And girls may be missing out on help as a result.

Researchers from Emory University, using functional MRIs to measure fathers' brains, found that they had different biological reactions to their daughters' faces than to their sons'.

Researchers say the test, which measures gene activity, can help avoid "overtreating" tumors that are not life-threatening. It might allow some patients to avoid radiation and chemotherapy.

A change in guidelines for lumpectomy surgery in 2014 has already reduced the number of women undergoing additional surgery, including mastectomy, by 16 percent.

A study of seven popular fitness trackers found they are generally good at measuring heart rate, but may mislead consumers about how many calories they have burned.

OB-GYNs and primary doctors disagree on whether women need a pelvic exam every year. When women were told a medical society recommended against it, they were much less likely to have the exam.

A high school in New Mexico is experimenting with light-shielding lounge chairs where frazzled students can rest. Research suggests it leads to calmer, less anxious teens who do better in school.

People with heart disease should keep their weight down, but it can be hard to lose weight and keep it off. Now a study shows big fluctuations may increase the risk of heart attack and stroke.

About 35 million Americans suffer some hearing loss, but most don't do anything about it. There's a growing effort to make hearing aids easier and cheaper to buy.

Physically manipulating the spine appears to offer a modestly effective alternative to medication for lower back pain, according to a new evaluation of scientific studies.