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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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.
In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.