The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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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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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.
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On average, the stomach produces 2 L of hydrochloric acid per day.
Sun-tracking behaviour of the arctic plant, Dryas integrifolia, heats the reproductive parts of its