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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
The horizontal fraction bar was introduced by the Arabs.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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.