FDA Opposes Medical Use of Marijuana. April 21, 2006 -- The FDA has issued a statement rejecting the medical use of marijuana. The FDA's statement doesn't mention any new research on the topic. Instead, it cites a past evaluation by several U.S. Department of Health and Human Services agencies, including the FDA.
Standard Sign Shapes. Signs convey information to travelers not only by their messages and color, but through their shape as well. Special shapes are specifically assigned to certain types of signs so that travelers can recognize them quickly and react appropriately. In general, the greater number of sides on a sign, the more critical a message it conveys. This is why a circular shape was adopted for the Railroad Advance warning sign (i.e. infinite number of sides), as a collision between a train and a typical vehicle will nearly always end badly.
Ultimately, physicians must decide whether to prescribe drugs with boxed warnings. A boxed warning, commonly referred to as a âblack boxâ warning, is the most serious type of warning mandated by the U.S. Food and Drug Administration (FDA).They are prominently featured in the labeling of drugs to warn prescribers about serious adverse reactions or special problems.Boxed warnings are displayed on a drug's package insert, in the Physicians' Desk Reference, on the FDA's Web site, and on the Web sites of drug marketing companies.FDA = U.S. Food and Drug Administration.). Information from references 1 and 2. If a safety concern emerges from clinical trial data or consistent reports to the AERS, an interdisciplinary FDA team convenes with representatives from the Office of Surveillance and Epidemiology and the Office of New Drugs.