Natural health expert and Mercola.com founder Dr. Joseph Mercola interviews Dr. David Lewis, a microbiologist with a PhD in Microbial Ecology who spent three decades working as an Environmental Protection Agency (EPA) scientist.
Natural health expert and Mercola.com founder Dr. Joseph Mercola interviews Dr. David Lewis, a microbiologist with a PhD in Microbial Ecology who spent three decades working as an Environmental Protection Agency (EPA) scientist.