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Vaccines prevent between 2.5 and 4 million deaths every year.
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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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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.