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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.
The longest a person has survived after a heart transplant is 24 years.
Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.
More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.