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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

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The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

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Green tea is able to stop the scent of garlic or onion from causing bad breath.

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

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Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

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