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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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The horizontal fraction bar was introduced by the Arabs.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.