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Did you know?
Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.
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On average, the stomach produces 2 L of hydrochloric acid per day.
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There are more bacteria in your mouth than there are people in the world.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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In 1864, the first barbiturate (barbituric acid) was synthesized.