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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
If you could remove all of your skin, it would weigh up to 5 pounds.
Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).