It’s supposed to fight off invaders to keep us healthy. But sometimes it turns traitor and attacks our own cells and tissues.

A peek inside some leading research labs shows how scientists-turned-detectives are painstakingly decoding what causes ...

What are called autoimmune diseases can affect just about every part of the body — even the brain — and tens of millions of people. While most common in women, these diseases can strike anyone, adults ...

The passage of time may be linear, but the course of human aging is not. Rather than a gradual transition, your life staggers ...

Past studies show one of the most potentially harmful areas to accumulate fat is visceral fat within the abdominal area.

Scientists are trying a revolutionary new approach to treat rheumatoid arthritis, multiple sclerosis, lupus and other ...

Your lungs might be ageing faster than your body, a new study reveals. Factors like pollution, smoking, and infections ...

Your eyes—retinal blood vessels and retinal imaging—may help predict heart disease, according to a new study. Here, doctors ...

Millions of people worldwide live with mitochondrial diseases. These are inherited conditions that make it hard for the ...

Yoga can heal body and mind. — -- intro: Downward dog devotees swear that yoga helps them tone up and chill out—and certainly, the mind-body benefits of a regular practice have been well ...