A study published in the August 27 issue of JAMA finds that of several Ayurvedic medicines purchased on the Internet, about 20% have unacceptably high levels of lead, mercury, or arsenic. Ayurvedic medicines - based on a traditional medical system commonly used in India - are employed by a majority of India's 1.1 billion population as well as peoples from South Asia and other localities. Robert B. Saper, M.D., M.P.H.
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