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St. Paul, Minn.

Dr. Jon Hallberg explains the effects of arsenic

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Dr. Jon Hallberg
Dr. Jon Hallberg, Assistant Professor, Department of Family Medicine and Community Health Medical Director at the University of Minnesota. He is a regular medical analyst on MPR's All Things Considered.
Photo courtesy of Dr. Jon Hallberg

Dr. Jon Hallberg is a physician in family medicine at the University of Minnesota. He spoke to All Things Considered host Tom Crann about the effects of arsenic and its dangers.

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Dr. Jon Hallberg
Dr. Jon Hallberg, Assistant Professor, Department of Family Medicine and Community Health Medical Director at the University of Minnesota. He is a regular medical analyst on MPR's All Things Considered.
Photo courtesy of Dr. Jon Hallberg