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Immunodeficiency, also known as immunocompromisation, is a state in which the immune system 's ability to fight infectious diseases and cancer is compromised or entirely absent. Most cases are acquired ("secondary") due to extrinsic factors that affect the patient's immune system. Examples of these extrinsic factors include HIV infection and ...
Immune system. The immune system is a network of biological systems that protects an organism from diseases. It detects and responds to a wide variety of pathogens, from viruses to parasitic worms, as well as cancer cells and objects such as wood splinters, distinguishing them from the organism's own healthy tissue.
Immunosuppression is a reduction of the activation or efficacy of the immune system. Some portions of the immune system itself have immunosuppressive effects on other parts of the immune system, and immunosuppression may occur as an adverse reaction to treatment of other conditions. [1][2] In general, deliberately induced immunosuppression is ...
Why Immune Health Is Important. Immune health gets a lot of buzz these days, and for good reason. ... When you have a weak immune system, your body becomes more susceptible to infections and ...
An immune disorder is a dysfunction of the immune system. [1] These disorders can be characterized in several different ways: By the component (s) of the immune system affected. By whether the immune system is overactive or underactive. By whether the condition is congenital or acquired. According to the International Union of Immunological ...
An immune response is a physiological reaction which occurs within an organism in the context of inflammation for the purpose of defending against exogenous factors. These include a wide variety of different toxins, viruses, intra- and extracellular bacteria, protozoa, helminths, and fungi which could cause serious problems to the health of the host organism if not cleared from the body.
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