Therapy dogs can bring more than joy and comfort to hospitalized kids. They can also bring stubborn germs. Doctors at Johns Hopkins Hospital in Baltimore were suspicious that the dogs might pose...

When my brother and I were kids back in the ‘80s, we loved going to Long John Silver’s. But it wasn’t just for the fish. It was for the vinegar – malt vinegar. ...

Scientists say they've located the first well-documented genetic glitch that increases a man's risk of impotence, a step that might someday lead to new treatments. Most impotence isn't caused by...

U.S. health officials reported a jump in cases of a rare paralyzing illness in children, and said it seems to be following an every-other-year pattern. At least 62 cases have been confirmed in 22...

A bone-strengthening drug given by IV every 18 months greatly lowered the risk of fracture in certain older women, a large study found. The results suggest these medicines might help more people than...

It may be too late to stop Alzheimer's in people who already have some mental decline. But what if a treatment could target the very earliest brain changes while memory and thinking skills are still...

An estimated 80,000 Americans died of flu and its complications last winter — the disease's highest death toll in at least four decades. The director of the Centers for Disease Control and...

When emergency tests showed the telltale right-sided pain in Heather VanDusen's abdomen was appendicitis, she figured she'd be quickly wheeled into surgery. But doctors offered her the option of...

Drinking too much alcohol killed more than 3 million people in 2016, mostly men, the World Health Organization said. The U.N. health agency also warned that current policy responses are not...

In life, timing is everything.  Your body’s internal clock – the circadian rhythm – regulates an enormous variety of processes: when you sleep and wake, when you’re...