It's risky business having sex. Getting intimate with a partner who does reckless activities can lead women to some yucky infections.

Cardiac surgery is a big deal. Perhaps preparing the body for recovery beforehand could be a good way to boost the body’s ability to repair itself afterwards.

It's a silent disease without symptoms. But this STD is quietly infecting more and more young adults around the globe.

Last year's flu season was unusually mild. But this year is getting an unusually early start, according to the Centers for Disease Control and Prevention.

One type of sleeping pill can treat several other conditions, like insomnia, epilepsy and anxiety. But it may also weaken the immune system.

Urinary tract infections (UTI) are more common in women than in men. But for men who have UTIs, poorly defined treatments can lead to antibiotic resistance and higher costs.

These days, people with HIV are most likely to die from complications of an opportunistic infection. But can race make a difference in how disease plays out?

We all remember the tagline to the long-running ad campaign for pork. “Pork. It's What's For Dinner.” But what exactly is in your pork?

Overcast with a chance of flu? With a flu prediction system that works like weather forecasts, you might hear about an influenza front closing in on your region.

One of the most common causes of food poisoning is the bacteria E. coli. It can also cause high blood pressure, so researchers wanted to know: does it increase the risk of heart disease?