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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
People about to have surgery must tell their health care providers about all supplements they take.
On average, the stomach produces 2 L of hydrochloric acid per day.
There are 20 feet of blood vessels in each square inch of human skin.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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