Over 60% of human infectious diseases come from animals. Learn what zoonotic diseases are, how they are transmitted, and why ...

The sport's links to the disease are unproven but it has left a traumatic legacy in affecting so many high-profile players worldwide ...

It's one of medicine's biggest mysteries — why sometimes our immune system attacks our own bodies. Autoimmune diseases affect ...

A pulmonologist at the Cleveland Clinic shares the lung cancer warning signs he looks for in his own body. The deadly disease ...

For eight years Nigerian housewife Mallama Baraka suffered in silence as the eye disease trachoma, which can blind but is entirely preventable, slowly took its toll.

A once-rare disease that causes a person to develop a severe allergy to red meat is seeing an “explosive rise” across America ...

Liver disease affects 1.8% of US adults, with significant mortality due to cirrhosis complications. Causes include viral infections, autoimmune disorders, genetic factors, and lifestyle choices like ...

About 9 in 10 adults in the United States have not heard of cardiovascular-kidney-metabolic syndrome despite nearly 90% of adults being at risk for the condition, according to a recent survey.

The US Food and Drug Administration has given clearance to another blood test to help assess Alzheimer's disease and other causes of cognitive decline, providing a broader understanding of when the ...