In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.
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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
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The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Ancestor Fish
Food Sources of Fiber Adults need to consume about 21 to 38 grams of fiber daily
Fish in the Ocean
Structure and function of the gills of a bony fish.
