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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
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Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.