Month: April 2022

What is Huntington’s disease?

Huntington’s disease (HD) is a rare genetic disorder that affects the nervous system. It is the most common hereditary form of neurodegenerative disease. The gene defect responsible for HD is called a repeat expansion mutation. This mutation causes a build-up of toxic proteins in certain brain cells. The toxic build-up leads to a variety of …

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What is Hodgkin lymphoma?

Hodgkin lymphoma is a type of cancer that develops when the lymphatic system does not work properly. The lymphatic system is a network of tissues and organs that are part of the immune system. The lymphatic system helps to filter bacteria, viruses, and other harmful substances from the body. Hodgkin lymphoma is a type of …

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What is HIV?

HIV is a virus that attacks the immune system. It attacks the immune system’s ability to fight infection and disease. It can cause a variety of illnesses, including: A chronic infection AIDS Serious illnesses such as pneumonia and tuberculosis Serious complications from these illnesses HIV can also spread to other people through sharing needles or …

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