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Did you know?
There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.
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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
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The longest a person has survived after a heart transplant is 24 years.
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Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
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![This portrait of Thomas Jefferson is considered an accurate likeness, painted when he was thirty-sev](https://biology-forums.com/gallery/47/medium_374628_16_08_15_9_52_08_22257994.jpeg)