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The group of cellular and molecular processes that the body uses to fight bacterial, viral, and parasitic infections. Autoimmune and inflammatory disease are caused by malfunctioning of this system and should also be tagged with the disease name.

3 votes

Lymph node swelling

I get swollen lymph nodes all the time when I have a cold. If I push them, they kind of move back, and it hurts a little. When the cold clears up, they go back to normal. In contrast, when the melano …
Kate Gregory's user avatar
  • 3,989
2 votes

What makes "chickenpox parties" recommended?

My recollection of that time was not that doctors recommended being exposed to chickenpox but rather that parents sometimes chose to expose their children at a time they felt might be more convenient …
Kate Gregory's user avatar
  • 3,989
3 votes

What is Immunotherapy for cancers?

This is very broad as asked. I will answer with one example, there are others. Immunotherapy gets the patient's own immune system to destroy the tumours rather than the treatment itself destroying th …
Kate Gregory's user avatar
  • 3,989