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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
There are more nerve cells in one human brain than there are stars in the Milky Way.
Excessive alcohol use costs the country approximately $235 billion every year.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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