Your immune system is supposed to fight diseases and help your body recover. But in some cases, it may be weak, less active than necessary, overactive, or it may even attack ...

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 ...

When Lisa experienced increasingly severe fatigue and joint pain, she visited five doctors over three years before receiving an autoimmune diagnosis. Her story isn’t unusual—most autoimmune conditions ...

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 ...

An overlooked vitamin might actually be one of the most important for every part of the body. Zinc is the second most abundant metal vitamin found in the body behind calcium, regulating metabolism, ...

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.