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Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).
Did you know?
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
Did you know?
Women are 50% to 75% more likely than men to experience an adverse drug reaction.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").