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Vaccines prevent between 2.5 and 4 million deaths every year.
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There are 60,000 miles of blood vessels in every adult human.
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Women are 50% to 75% more likely than men to experience an adverse drug reaction.
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Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
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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.