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There are 60,000 miles of blood vessels in every adult human.
More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.
Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.
About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.