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Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.
Did you know?
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.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.