In 1864, the first barbiturate (barbituric acid) was synthesized.
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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
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Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.
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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
biceps muscle
Thyrohyoid muscle
The distribution of the sarcoplasmic reticulum and tubules around myofibrils of skeletal muscle.
(a) As an engine is accelerated under a load, the engine vacuum drops. This drop in vacuum is ...