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There are 20 feet of blood vessels in each square inch of human skin.
More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.
The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.