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Author Question: Consider butter and margarine, which are substitutes. When the price of butter falls, the demand ... (Read 56 times) |
In 1864, the first barbiturate (barbituric acid) was synthesized.
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
Your heart beats over 36 million times a year.
Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.
Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).