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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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The average adult has about 21 square feet of skin.
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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.