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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.