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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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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.