Regular exercise is good for the brain as well as the body, new research on monkeys suggests.

Is laughter the new exercise? Quite possibly.

The body’s fever response to infection is not always automatic in elderly people.

While recent medical advancements mean most preemies will survive, preventing early birth in the first place is a different story.

A deadly new VGIIc strain of the fungus Cryptococcus gattii has mysterious origins.

Losing a moderate amount of weight could reverse harmful changes in the immune system that often occur in obese people

Dreams boost learning and help us make sense of the real world. A new study may be the first to show this connection between dreaming and learning.

Tuna sushi from your local supermarket might have lower mercury levels and so be safer to eat than sushi from a high-end restaurant, a new study using fish DNA suggests.

Shock waves from a large explosion can jolt the skull into generating electricity.

Some people who use indoor tanning beds could be considered addicted based on criteria used to diagnose substance abuse addiction, a new study finds.