A variety of medicines can treat irregular heart rhythm. But one of those medicines may increase the risk of death.

Health experts around the globe stress fruit and vegetable intake. But adults might not be getting enough of these items in their diets.

Some viruses and bacteria travel through the air. Others travel in bugs and ticks — but how many of these reach children?

Young children who have delays in learning and development might face multiple obstacles as they grow, including behavior difficulties.

People with chronic illnesses often go to the hospital frequently. But lupus patients may face particularly frequent hospital visits.

Many have praised the progress seen in reducing cigarette smoking in the US, and new research suggests that these changes may be paying off in terms of cancer rates.

Obesity in the United States is often blamed on unhealthy diet choices like fast food. But fast-food joints may not deserve all the blame.

Insomnia doesn't just affect patients at night — they often feel tired and less focused during the day, too. But patients may also experience back pain as a result of their sleepless nights.

In an effort to achieve a more youthful look, some people turn to injectable fillers meant to plump up their skin and get rid of wrinkles. But these products aren't always safe, especially if they haven't been approved for cosmetic use.

The World Health Organization (WHO) has declared the Ebola outbreak in West Africa an international public health emergency.