Author Mark Tullius speaks his mind and shares his writing: Horror, Sci-fi, Suspense, and nonfiction MMA.

May 7, 2021

Episode 108: Dr. Mike Simpson and Greybeard Performance

My special guest is Dr. Mike Simpson, the author of the upcoming book Honed: Finding Your Edge as a Man Over 40, the host of The Mind of the Warrior podcast and the man behind Greybeard Performance supplements, fight gear, and first aid kits.

We talk about traumatic brain injuries, CTE, PTSD, and improving both your brain health and overall health.

(43:40) Includes "30 Day Program" a short story taken from 5 More Perfect Days and narrated by John Anthony Davis. For more info on Doc - For info on Greybeard Performance -

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