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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Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.
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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
Unidentified Hemidactylus adult from Dindigul (Tamil Nadu, India)
Dam in China
A woman in a net on a Congo shore. Although the importation of slaves was illegal after 1807, histor
Production of prototrophs as a result of genetic recombination