Medically reviewed by Anita C. Chandrasekaran, MD A strong immune system helps protect you from infections by germs such as ...

Your immune system was supposed to protect you from threats, but sometimes it gets confused about what counts as an enemy and starts attacking your own healthy tissues. This internal betrayal happens ...

Your immune system is like an incredibly sophisticated security team, constantly patrolling your body for threats and neutralizing them before they can cause harm. When it’s working properly, this ...

When the gut is unbalanced with too many harmful organisms, it can lead to unpleasant symptoms in different parts of the body ...

Signs of immune system aging appear years before rheumatoid arthritis takes hold, offering new hope for early diagnosis and treatments that could slow or stop the disease before it starts, according ...

Recent studies have shown that even if you feel healthy and fit, your immune system could be aging quicker than you think, which could increase the risk of infections and immune-related disorders.

A team of researchers at the Icahn School of Medicine at Mount Sinai, Weill Cornell Medicine, and other institutions have uncovered a key biological explanation for why eczema so often starts in ...