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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.