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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
On average, the stomach produces 2 L of hydrochloric acid per day.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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