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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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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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The average adult has about 21 square feet of skin.
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Thyroid conditions may make getting pregnant impossible.
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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).