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Did you know?
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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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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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.