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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.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.