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Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
Did you know?
Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.