The population of seniors, or people age 65 or over, in the United States neared 48 million last year and is steadily growing. Consequently, millions of adult children find themselves taking care of...

Every year, from 5 to 20 percent of the people in the United States will become infected with influenza virus. An average of 200,000 of these people will require hospitalization and up to 50,000 will...

Arthritis isn't always from the wear and tear of getting older — younger adults too often get it after suffering knee or ankle injuries. Now researchers are hunting a way to stave off the...

Marijuana users' self-proclaimed holiday is linked with a slight increase in fatal U.S. car crashes, an analysis of 25 years of data found. The study lacks evidence on whether pot was involved in...

It’s nice to celebrate love and, one the best parts about it, sex. As a doctor and epidemiologist who studies sex, I bring good news for Valentine’s Day. It’s not just that sex is...

For more than a decade, the strongest AIDS drugs could not fully control Matt Chappell's HIV infection. Now his body controls it by itself, and researchers are trying to perfect the gene editing that...

When a patient has diabetes, doctors typically prescribe insulin, along with diet and exercise. When a patient has high blood pressure, we prescribe medication, and we also reinforce the importance of...

Cancer may not be life-ending, but it usually is life-changing. A cancer diagnosis instantaneously turns life upside down for patients and families. Cancer care is a “high-emotion”...

Save your life but harm your heart? Health experts are sounding a warning as potential side effects of a growing number of breast cancer treatments come to light. In its first statement on the...

A second patient has been treated in a historic gene editing study in California, and no major side effects or safety issues have emerged from the first man's treatment nearly three months ago,...