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There are more nerve cells in one human brain than there are stars in the Milky Way.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.
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As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.