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The human body produces and destroys 15 million blood cells every second.
The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.
Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
There are approximately 3 million unintended pregnancies in the United States each year.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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