This guy has credentials too. He's 75 years old, so he doesn't need to worry about his career being ruined by speaking out.

Blaylock was a clinical assistant professor of neurosurgery at the University of Mississippi Medical Center and is currently a visiting professor in the biology department at Belhaven College.[1][dead link] He is the author of a number of books and papers, including Excitotoxins: The Taste That Kills (1994), Health and Nutrition Secrets That Can Save Your Life (2002), and Natural Strategies for Cancer Patients (2003), and writes a monthly newsletter, the Blaylock Wellness Report.