| http://www.w3.org/ns/prov#value | - The two hormones are regulated by the U.S. Food and Drug Administration and intended for use only in prescription drugs because they can cause serious health problems, including heart irregularities, nervousness and diarrhea, he said.Pharmacist Dawn Knudsen-Gerber, a professor at Midwestern University in Glendale, said other ingredients in some of the products also may be risky.
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