The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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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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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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Cyanide works by making the human body unable to use oxygen.
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Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.
Products of the Root's Primary Meristems
Benign Primary Bone Tumors
While most people resist labels of deviance, some embrace them. In what different ways do these ...
Selected Natural Products
By the People: A History of the United States, AP Edition