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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
There are 20 feet of blood vessels in each square inch of human skin.
Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.


