Type 1 diabetes (T1D) is a lifelong autoimmune disorder where the immune system attacks islets, certain areas of the pancreas ...

Our immune systems prevent and limit infections. They are a complex set of organs, cells, tissues and proteins that work together to protect our bodies from harmful invaders such as bacteria, viruses, ...

During the recent Covid-19 pandemic, the rate of serious illness and death was jarringly high in older populations. Why? Weakening immune systems — as we age, we become more vulnerable to infections, ...

A person’s menstrual cycle may affect their immune system’s response, causing fluctuations throughout the month. The menstrual cycle involves a series of changes in hormone levels and structures ...

Hepatitis C is a viral infection that affects your liver, causing swelling and damage. Hepatitis C is transmitted through contact with the blood of a person who has hepatitis C — often through the use ...

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Of course, the immune system’s job is to protect your body from all invaders that may be harmful, not just certain viruses: When functioning properly, it alerts your body to a wide range of potential ...