Nelson Mandela, the former President of South Africa, has died. He was 95.

Medications originally created to lower cholesterol have been considered for use in treating a variety of other conditions. However, the authors of a new study say that a certain type of pneumonia may not be one such condition.

The higher you are in the world, the thinner the air is. Higher altitudes mean it's more difficult to breathe and gain the oxygen your body needs.

Many older adults deal with chronic health conditions as they age.  And according to a new study, these chronic conditions often seem to be preceded by a single infection in elderly patients. 

As new and better vaccines are developed, they must be tested for safety and effectiveness. New vaccines for children must also be tested along with currently available vaccines.

One of the childhood vaccinations recommended by the CDC is the one for pneumococcal bacteria. This bacteria can cause some types of meningitis.

Vaccines protect people from diseases. Pregnant women who get vaccinated can pass on that protection to their developing babies. And it seems some of that protection may last even after birth.

The goal of developing new vaccines is to decrease the cases of certain illnesses. The vaccine for pneumonia appears to have done just that.

Many of us have had the flu before and recovered completely. But some people can get very sick due to complications.

The H7N9 bird flu strain in China and novel coronavirus in the Middle East have both been making headlines and putting health officials worldwide on alert for strange symptoms or outbreaks of disease.