There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
MODERN BIOLOGY
Pathophysiology of heart failure
Mechanisms of Action of Drugs Used for Heart Failure
Drugs in the Treatment of Heart Failure
Mood Changes in Men and Women
People with Huntington disease develop problems with neuromuscular control and gradually lose the us