Healthy Medicine #133: What's in the Food?

Published: Feb. 16, 2014, 1:37 a.m.

b'Dr Zieve talks with Dr Tim Crews about genetically engineered foods and challeneges in modern farming.\\n\\nTim Crews PhD is a Professor of Environmental Studies and Director of the Agroecology program at Prescott College in Arizona. Read more at prescott.edu.

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