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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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On average, the stomach produces 2 L of hydrochloric acid per day.
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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
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Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.
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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.