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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
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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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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.
![History of the number of observed sunspots during the last 250 years, which shows the ~11-year solar](https://biology-forums.com/gallery/47/medium_12359_16_06_12_7_11_02.png)
![Results from sequential study of two cohorts tested at three ages and at three different points in t](https://biology-forums.com/gallery/47/medium_6_31_05_15_8_20_43_219751572.jpeg)