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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
On average, the stomach produces 2 L of hydrochloric acid per day.
Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.