Stress isn’t just a feeling — it’s a physiological chain reaction that’s important for survival. Chronic stress, however; can raise blood pressure, damage the endothelium, increase inflammation, and double your risk of heart attack. In this episode, Dr. Chris Huff breaks down how stress works in the body, why chronic stress accelerates disease, and the tools that actually help you take control. (References Episode 20 on mental fortitude.)
In this solo deep dive, Dr. Chris Huff addresses what stress really is: a full-body cascade driven by the amygdala, hypothalamus, and adrenal glands—not just a feeling. He explains how the “fight-or-flight” response activates in milliseconds and why cortisol is necessary short-term but harmful when elevated every day.
Dr. Huff connects stress to the cardiovascular system through:
He references findings from multiple landmark studies—including INTERHEART and Whitehall II—showing how chronic stress increases the risk of heart attack and coronary disease by more than 2x.
Listeners also learn the three stress phenotypes—the Hyper-Responder, the Silent Accumulator, and the Avoider—and how each processes stress differently. Dr. Huff also ties this episode back to Episode 20, where he discusses hormesis and mental fortitude, emphasizing how acute stress helps us adapt but chronic stress tears down the body over time.
Because you can’t change what you don’t measure, Dr. Huff also recommends journaling triggers, rating daily stress, and tracking improvement over time.
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You can’t eliminate stress—but you can control your response to it. Understanding your nervous system and using daily tools is the most powerful way to protect your heart, improve resilience, and lower long-term cardiovascular risk.
Ounpuu S, Negassa A, Yusuf S. INTER-HEART: A global study of risk factors for acute myocardial infarction. Am Heart J. 2001 May;141(5):711-21. doi:10.1067/mhj.2001.114974. PMID: 11320357.
Marmot, M.G., Smith, G.D., Stansfield, S., Patel, C., North, F., Head, J., White, I., Brunner, E., and Feeney, A. (1991). Health inequalities among British civil servants: the Whitehall II study. Lancet, 337, 1387–1392.
Strahler J, Fuchs R, Nater UM, Klaperski S. Impact of physical fitness on salivary stress markers in sedentary to low-active young to middle-aged men. Psychoneuroendocrinology. 2016 Jun;68:14-9. doi:10.1016/j.psyneuen.2016.02.022.
Tobias Stalder, Henrik Oster, James L Abelson, Katharina Huthsteiner, Tim Klucken, Angela Clow. The Cortisol Awakening Response: Regulation and Functional Significance. Endocrine Reviews, Volume 46, Issue 1, February 2025, Pages 43–59. https://doi.org/10.1210/endrev/bnae024
Park, B.J., Tsunetsugu, Y., Kasetani, T. et al. The physiological effects of Shinrin-yoku (forest bathing): evidence from field experiments in 24 forests across Japan. Environ Health Prev Med 15, 18–26 (2010). https://doi.org/10.1007/s12199-009-0086-9
Leppäluoto J, Huttunen P, Hirvonen J, Väänänen A, Tuominen M, Vuori J. Endocrine effects of repeated sauna bathing. Acta Physiol Scand. 1986 Nov;128(3):467-70. doi:10.1111/j.1748-1716.1986.tb08000.x.
Hussain J, Cohen M. Clinical Effects of Regular Dry Sauna Bathing: A Systematic Review. Evid Based Complement Alternat Med. 2018;2018:1857413. doi:10.1155/2018/1857413.
Work with Dr. Chris Huff: Premier Cardiovascular Health
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