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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
There are 60,000 miles of blood vessels in every adult human.
On average, the stomach produces 2 L of hydrochloric acid per day.
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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