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Did you know?
Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.
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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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There are 60,000 miles of blood vessels in every adult human.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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The human body produces and destroys 15 million blood cells every second.