While some antibiotics may cure a bacterial infection, they also may be linked to less desirable health effects.

Foodborne illnesses can be unpleasant enough, but when they are resistant to the antibiotics meant to treat them, the situation can become much more serious.

The phrase "the stomach bug" is pretty common, but what is this illness with unpleasant symptoms? In many cases, it might be norovirus.

Polio was largely eradicated in many parts of the world, but the virus still appears and still causes infections each year. Now the virus has been detected in samples gathered in Brazil.

The Ebola outbreak in West Africa is being closely monitored by health experts and organizations, some of whom are now saying the situation is escalating in a dangerous way.

The buzz of a mosquito or the itch of its bite can be annoying, but in some cases, that bite may become a serious matter. A new study examined illnesses caused by infected bugs.

Talk of mad cow disease tends to make people nervous - with reason - even when the risk is low. Such concern has led to a recent recall of beef products.

A slight cough may not be a big issue, but when the severe fits of whooping cough are at play, the situation can be serious. Experts are on alert as an epidemic emerges in one US state.

Although Salmonella outbreaks are often linked to animal products, any food item can carry the bacteria. In an ongoing outbreak, a common health food item is the likely source.

Since 2009, smartphone dating apps have become increasingly popular among gay men. These apps use GPS to locate any user within a given area. But this easy access may come with serious consequences.