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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.