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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
Medication errors are three times higher among children and infants than with adults.
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
The average adult has about 21 square feet of skin.
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