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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.