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Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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