Your body often speaks in quiet tones—fatigue and bloating can hint at an underlying immune imbalance that starts in the gut.

Think of our eyes and their tears, our nose and its mucus, our stomach and its acid, our skin and its sweat. If these barriers are intact, the immune system passively protects us around the clock. But ...

How do we recover from illness when our immune system works against us? Autoimmune conditions contribute to disorders such as rheumatoid arthritis, type 1 diabetes, multiple sclerosis, psoriasis, ...

Seattle, WASH.—January 22, 2025—The human immune system is like an army of specialized soldiers (immune cells) each with a unique role to play in fighting disease. In a new study published in Nature, ...

How does the same infection, say the flu or a cold, give some people mild symptoms and leave others suffering? Why do people develop autoimmune diseases? And will we ever be able to predict when—and ...