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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.