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Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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The longest a person has survived after a heart transplant is 24 years.
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Everyone has one nostril that is larger than the other.
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Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.
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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).