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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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Women are 50% to 75% more likely than men to experience an adverse drug reaction.
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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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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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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.