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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
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Your heart beats over 36 million times a year.
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Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.
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It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.