Ephedra ban: no shortage of reasons.
The Food and Drug Administration has banned the sale of dietary supplements containing ephedra (ephedrine alkaloids) due to concerns over their cardiovascular effects, including increased blood pressure and irregular heart rhythm. The final rule, published Feb. 6, 2004, becomes effective on April 12, 2004.
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D002318:Cardiovascular Diseases / Q000139:chemically induced; D019587:Dietary Supplements / Q000009:adverse effects*; D004335:Drug and Narcotic Control; D029789:Ephedra / Q000009:adverse effects*; D014481:United States; D014486:United States Food and Drug Administration