Our immune system is much older than we think. Long before dinosaurs existed, early life forms had developed a powerful ...

People with hard-to-treat asthma often have to use medicines such as systemic steroids that broadly suppress the immune ...

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 ...

W hy is shingles suddenly in the news? English pop star Ed Sheeran posted on Instagram on Tuesday that he was recovering from ...

We sometimes hear about the benefits of “boosting” our immune system, but what we really want to do is support our immune system on an ongoing basis. People often think of the immune system as ...

The immune system can be further classified into the innate and adaptive immune systems. Although innate myeloid cells, such as macrophages, generate a ‘trained’ immune response following antigen ...

Anyone who has weathered a bad stomach bug knows the feeling: a loss of appetite that sets in and lingers, even after the initial illness. The same thing happens for millions of people worldwide with ...

Skin, our largest organ, acts as a protective barrier against pathogens that try to invade our bodies while constantly monitoring for potential threats. In the skin's outermost layer, the epidermis, ...

T cell activation—the process by which these key immune defenders recognize threats and mobilize against them—depends on exquisitely timed molecular signals. Now researchers have captured one of the ...

Lindsey DeSoto, RD, is a nutrition writer, medical reviewer, and registered dietitian who helps clients improve their diet for health-related reasons. Her writing covers a variety of topics, including ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." You’re probably aware that measles is a virus you don’t want to have, but it’s understandable to be fuzzy ...

Stimulating the liver to generate signals normally produced by the thymus can reverse age-related declines in T-cell populations. As people age, their immune function weakens. Owing to shrinkage of ...