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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.
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Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.