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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.
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A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.