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Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.
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Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.