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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.