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If you could remove all of your skin, it would weigh up to 5 pounds.
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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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People about to have surgery must tell their health care providers about all supplements they take.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.