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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
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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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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.