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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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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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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.