The average healthy brain has more than 100 billion nerve cells which record and recall memories and tell our bodies what to do.

Nail fungus is contagious and causes visual changes in the nail.

After cancer patients battle chemotherapy and surgery, the fight is not over.

The warning follows the deaths of two young men last year who died after using the stimulant.

For the first time in 35 years, college students are consuming more pot than cigarettes, according to an annual study done by the University of Michigan.

About three and a half million people in the U.S. have anemia, making it one of the most common blood disorders.

A new report finds the U.S. childhood obesity rate has climbed much more than in neighboring Canada.

Skin cancer is almost always curable if it's caught and treated early.

The ongoing debate about e-cigarettes has taken a new turn.

Have you ever reached for a pain reliever or other medicine to find it has an old expiration date?

Two remarkable dogs are using their snouts to save lives.

A new and potentially drug-resistant species of head lice is showing up on the heads of kids around the U.S.

Federal health officials have approved the first prescription drug to boost sexual desire in women, a milestone long sought by the pharmaceutical industry.

In tonight’s Focus on Health, we'll introduce you to an exercise that's not only intense, but also fun.

Over the past few years, school districts have started looking for better ways to keep their students safe and injury free.