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Search results for: "Immune System"

Immune system

Your body's immune system is designed to protect you from, or get rid of, infection. Find out more about how the immune system works.

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Lymph nodes

Lymph nodes filter blood and fight infection. They also play an important role in cancer diagnosis. Find out more about lymph nodes and how they work.

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Can you boost your immune system against the coronavirus (COVID-19)?

It's OK to feel anxious about the novel coronavirus, COVID-19. Here's what you can do to protect yourself from viruses — and what won't help, such as face masks or supplements.

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Autoimmune conditions

Autoimmune diseases strike when the immune system attacks healthy cells in the body. Read about the causes, symptoms and treatment options.

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Lupus

Lupus is a disease of the body’s immune system. Although its causes are not yet entirely known, lupus treatments are available.

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Allergies and hypersensitivities

An allergic reaction occurs when the immune system overreacts to a foreign substance that usually causes few or no problems in most people.

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Adenoids

The adenoids are small lumps of soft tissue found at the back of the nose in children. Healthy adenoids are part of young kids’ immune systems.

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Lymphoma

Lymphoma is a cancer that affects the immune system. Find out about diagnosis, symptoms, treatments and complications.

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Food allergies

Some people have an allergic reaction to a normally harmless ingredient or type of food. This immune system response can range from mild to severe.

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Cancer immunotherapy

Immunotherapy is a type of cancer treatment that boosts the immune system so it can fight the cancer. Learn how it works and which cancer types immunotherapy can treat.

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