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Did you know?
The horizontal fraction bar was introduced by the Arabs.
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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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More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

