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Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.
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Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.