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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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Your heart beats over 36 million times a year.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.
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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.