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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.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
The average office desk has 400 times more bacteria on it than a toilet.
For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.