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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
There are 60,000 miles of blood vessels in every adult human.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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