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Author Question: Research studies on the effectiveness of AA have shown that: (a) Twelve-step group involvement is ... (Read 49 times) |
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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
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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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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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There are 20 feet of blood vessels in each square inch of human skin.
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The human body produces and destroys 15 million blood cells every second.