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Researchers at Washington University in St. Louis have developed algorithms to identify weak spots in tendons, muscles and bones prone to tearing or…

What are the chances somebody with Ebola will fly to the U.S. by late September? One team of scientists says it could be as high as 18 percent. And the risk is even higher for the U.K.

Americans are much less active in their leisure time than they were 20 years ago; that's true even for young people. Up to half of people say they're completely sedentary. Desk jobs don't help.

Saline, used to clean wounds and treat dehydration, is a critical medical supply. But lately there hasn't been enough of it, and drugmakers say they won't be able to meet demand until next year.

The chance of catching Lyme disease from an individual tick ranges from zero to roughly 50 percent. Three factors matter: the tick species, where it came from and how long the tick was feeding.

Hospitals in some states have begun tracking the names of patients who show up repeatedly seeking opioids. Denying these patients pills saves hospitals money, but some doctors question the ethics.

Getting Right, Part 4: A Person Struggling With Addiction Wakes UpRead the entire Getting Right series.It’s early in the morning, and Kevin Polly is…

Research suggests that African-American and Latino children with autism are diagnosed later in life because of healthcare provider bias and families' lack of access to care, among other reasons.

Two months past its deadline, Congress has yet to fund the Children’s Health Insurance Program, leaving several states scrambling for cash.Lawmakers…

Returning immediately to demanding physical or mental activities after a concussion can be bad for the brain, neuroscientists agree. But what about after symptoms resolve? How much rest is best?