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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Medication errors are three times higher among children and infants than with adults.
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
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