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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.
Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.