New research showing that phenylpropanolamine (PPA), an ingredient commonly found in cold remedies and appetite suppressants, is linked to an increased risk of stroke has prompted a public health warning from the US Food and Drug Administration, and US manufacturers and distributors are pulling products containing PPA from the market.
The actions came in response to a five-year study based at Yale University, the results of which indicate that PPA is an independent risk factor for hemorrhagic stroke in women. Because of the public health implications of the study, the
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