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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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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.
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![Lymphatic vessels pick up excess tissue fluid, purify it in the lymph nodes, and then return it to t](https://biology-forums.com/gallery/47/medium_14755_01_10_12_7_59_21_92301561.jpeg)