Common wisdom holds that a pregnancy lasts nine months. Those with experience of actual pregnancies, however, know that the length of time can vary.

Chinese herbal medicines have been used for centuries to treat everything from asthma and allergies to yellow fever. Recently, an ingredient widely used in these treatments has been shown to be dangerous.

Many military personnel face extraordinary levels of on-the-job stress. While some have linked those stresses to suicide, a new study contends that treatable mental illness is more to blame for such deaths than military service itself.

A cup of hot cocoa sounds delightful during the cold days of winter. It might perk you right up like a cup of coffee. But does it make a difference to your brain?

Ohio is in the midst of an outbreak of Legionnaire's disease, a serious illness caused by the bacteria Legionella .

When H7N9, a strain of bird flu, began infecting people in China last spring, officials and scientists worldwide tried to quickly learn more about this new virus.

Many parents are aware of the vaccines that babies are recommended to get through their second birthday. But fewer parents may realize that teens should stay up to date with immunizations too.

When a new baby is on the way, a mother may think of all sorts of plans she has for her child. But when the little bundle arrives, some of those best laid plans may not pan out.

A traumatic event sometimes leads traumatized people to try and ease the pressure by, among other means, drinking too much alcohol. But there are healthier, more effective ways to treat post-traumatic stress disorder.

Polio is a virus that the world has largely beaten. However, lingering pockets of the disease still pose a serious threat.