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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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.
One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.