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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.
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There are 60,000 miles of blood vessels in every adult human.
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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.