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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

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The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

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