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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.
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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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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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Thyroid conditions may make getting pregnant impossible.