Barbell Shrugged - Talking Training W/ Crossfit Games Athletes, Strength Coaches & More

In this episode, Dr. Tommy Wood returns to Barbell Shrugged for part two of a deep conversation on brain health, cognitive decline, and the daily habits that shape long-term mental performance. Joined by Doug Larson, Travis Mash, and Dr. Mike Lane, Tommy unpacks why oral health matters far more than most people realize, explaining how gum disease, oral bacteria, and chronic inflammation may contribute not only to cardiovascular disease but also to dementia risk. The crew also digs into the importance of sensory input, from hearing and vision to social interaction, and how losing those inputs over time can quietly accelerate cognitive decline. The conversation then shifts into sleep, where Tommy breaks down what actually matters most for protecting the brain. Rather than obsessing over perfect sleep scores or chasing an arbitrary eight-hour target, he argues that the biggest levers are sleep opportunity, regularity, and avoiding behaviors that wreck sleep architecture. The group explores the different roles of