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Did you know?
Your heart beats over 36 million times a year.
Did you know?
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.
Did you know?
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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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.

