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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.
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Everyone has one nostril that is larger than the other.
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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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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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On average, the stomach produces 2 L of hydrochloric acid per day.