Immunologist Dr. Jenna Macciochi explains that as we age, our immune system starts to decline. Here's how to spot an immune ...

A dog's declining immune system often signals nutritional deficiencies, not just illness. Recurring infections, dull coats, ...

One In 100 people is affected by coeliac disease in Ireland, but it is often mistaken for other conditions ...

You might not think twice about zinc until your body starts sending these subtle warning signs.

In Peoria, Illinois, children living in federally subsidized housing have been getting sick in the very places meant to shelter them. An investigation by ...

Why does the same virus barely faze one person while sending another to the hospital? New research shows the answer lies in a molecular record etched into our immune cells by both our genes and our ...

Symptoms such as fatigue, loss of appetite, altered sleep, and social withdrawal are often treated as inconvenient side ...

Blood tests measuring the aging of certain white blood cells can predict cognitive and mood-related symptoms of depression, ...