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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.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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.
Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.