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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.