Dr. David Saenger is a cardiologist, ultramarathon runner, and someone who practices intermittent fasting and a low carbohydrate approach with his nutrition. He joined the show to discuss cardiovascular health and complications related to endurance training.   Studies Mentioned: Clarke, P. M., Walter, S. J., Hayen, A., Mallon, W. J., Heijmans, J., & Studdert, D. M. (2012). “Survival of the fittest: Retrospective cohort study of the longevity of Olympic medallists in the modern era.” BMJ, 345   Antero J., Tanaka H., De Larochelambert Q., et al “Female and male US Olympic athletes live 5 years longer than their general population counterparts: a study of 8124 former US Olympians” British Journal of Sports Medicine 2021;55:206-212   Podcast Episodes Mentioned: Episode 337: The Long Run Considering the Variables  Episode 344: Endurance Training Simplified Episode 346: Short Intervals Simplified    Episode 348: Long Intervals Simplified    Episode 352: Proper Aid Station Navigation Episode 356: Easy Run - Simplified  Episode 363: Mental Training For Endurance Episode 366: Race Course Specific Training  Episode 369: Speed Work Distribution & Double Threshold Sessions   David: peacehealth.org/care-providers/david-r-saenger-md X/Twitter: @saenger_david   Zach: zachbitter.com IG: @zachbitter Tw: @zbitter Substack: zachbitter.substack.com FB: @zbitterendurance Strava: Zach Bitter TikTok: @zachbitter Threads: @zachbitter