Your host Rabbi Rami Shapiro talks to author David Perlmutter about his new book, Brain Maker: The Power of Gut Microbes to Heal and Protect Your Brain—for Life. Read the S&H review of his book in the May/June 2015 issue of Spirituality & Health .

Dr. Perlmutter is the author of seven books, including the #1 New York Times bestseller Grain Brain: The Surprising Truth About Wheat, Carbs and Sugar—Your Brain’s Silent Killers, now published in 27 countries.