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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.
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.