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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

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Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

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

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There are more bacteria in your mouth than there are people in the world.

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On average, the stomach produces 2 L of hydrochloric acid per day.

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