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Did you know?
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Did you know?
More than 4.4billion prescriptions were dispensed within the United States in 2016.
Did you know?
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
Did you know?
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.