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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.
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The average office desk has 400 times more bacteria on it than a toilet.
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Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.