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Did you know?
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.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%