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Did you know?
Your heart beats over 36 million times a year.
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.
Did you know?
More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
Did you know?
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
Did you know?
It is difficult to obtain enough calcium without consuming milk or other dairy foods.