The immune system keeps a record of every germ (microbe) it has ever defeated so it can recognise and destroy the microbe quickly if it enters the body again. Abnormalities of the …

The immune system helps our body fight infection. White blood cells, lymphocytes and antibodies form part of the defence.

When an allergen is found, IgE antibodies trigger a cascade of immune system reactions, including the release of chemicals known as mast cell chemicals. These are substances that …

The lymphatic system is important for the optimal functioning of our general and specific immune responses. The lymph nodes monitor the lymph flowing into them and produce cells and …

Hughes syndrome is thickening of the circulating blood caused by an abnormal immune system. Complications include heart attack, stroke and recurrent miscarriage. Treatment includes …

Immune system Information and factsheets about vaccines, lymphatic system, spleen, autoimmune disorders, lupus and chronic fatigue syndrome.

Immunisations for older people Immunisations are important for you as you get older, because your immune system can become less effective at protecting you from some diseases.

Immune thrombocytopenic purpura (ITP) is a rare autoimmune disorder in which a person?s immune system destroys the platelets that help their blood to clot.

Cortisol helps to maintain blood pressure, immune function and the body's anti-inflammatory processes. Located inside the brain, the pituitary gland regulates the amount of cortisol …

Viruses pose a challenge to the body’s immune system because they hide inside cells. It is possible to be vaccinated against some of the major disease-causing viruses (such as …