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People about to have surgery must tell their health care providers about all supplements they take.
Vaccines prevent between 2.5 and 4 million deaths every year.
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.
The FDA recognizes 118 routes of administration.
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