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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
The average adult has about 21 square feet of skin.
An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.
More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

