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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
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