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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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).
The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.
Cyanide works by making the human body unable to use oxygen.