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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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When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

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