Former British Royal Navy Aircrew Officer Paul Taylor discusses the science of hormesis and how small doses of intermittent stress can make us more resistant to chronic stress. He emphasizes the importance of discomfort harvesting and explores the benefits of cold water exposure, fasting, and heat exposure. The podcast also delves into topics such as improving gut health, mitigating the effects of poor sleep, and the significance of rest and recovery in athletic performance and overall health.
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Quick takeaways
Exposing ourselves to small doses of intermittent stress can build resilience and improve stress fitness.
Incorporating movement snacks throughout the day and getting comfortable with being uncomfortable promote overall well-being.
Prioritizing rest, recovery, and good sleep hygiene is crucial for optimal health and prevents burnout.
Deep dives
The importance of genuine connection in the digital age
In a study conducted by E-Harmony, it was found that 56% of social first gen Z individuals are tired of social media. E-Harmony emphasizes the need to give people a better sense of who we are to form meaningful connections. Their compatibility quiz and personality profiles help match individuals based on communication styles, likes and dislikes, and personality traits, fostering genuine connections.
The benefits of embracing discomfort harvesting
Paul Taylor, author of 'Death by Comfort,' discusses the concept of discomfort harvesting, which involves exposing ourselves to small doses of intermittent stress to build resilience. He highlights the benefits of practices like cold showers and heat exposure, which activate stress response genes and improve stress fitness. Taylor emphasizes the importance of getting comfortable with being uncomfortable and incorporating movement snacks throughout the day to promote overall well-being.
The role of rest and recovery in maintaining optimal health
Rest and recovery play a crucial role in achieving and sustaining optimal health. Taylor highlights that recovery is not merely relaxation, but rather encompasses various aspects such as exercise, breathwork, sleep hygiene, and taking brain booster breaks. These practices help prevent overtraining syndrome, corporate burnout, and promote overall well-being. Prioritizing good sleep hygiene practices and incorporating regular rejuvenation activities is key to macro-level recovery.
Optimal Dose of Sun Exposure Revealed
New research suggests that the optimal dose of sun exposure for health benefits is around 11 minutes over a week. Although further studies are needed to confirm these findings, it can be used as a helpful guideline for now. Cold showers or cold baths can be beneficial before workouts, but in warm climates, replicating the cold exposure can be challenging. An alternative hack is to use an old fridge or chest freezer filled with water and set on a timer to achieve the desired cold temperature. This can save a significant amount of money compared to commercial ice tubs.
Heat Exposure and Sauna Benefits
Exposing your body to heat, whether through saunas or exercising in hot weather, can activate heat shock proteins and mimic the benefits of low-intensity aerobic exercise. Regular sauna use has been linked to longer lifespans and improved discomfort tolerance. Additionally, the heat and discomfort from hot environments release dynorphins in the brain, which can enhance the effects of endorphins and provide a sense of well-being. Moreover, saunas have shown potential in reducing inflammation and alleviating symptoms of depression. Optimal temperatures for sauna use are around 80 degrees Celsius (176 degrees Fahrenheit), but infrared saunas may offer similar benefits at lower temperatures.
Nietzsche's maxim, "What doesn't kill you makes you stronger," isn't just a sound philosophical principle. It's also a certifiable physiological phenomenon; toxins and stressors that could be deadly in large doses, actually improve health and resilience in smaller, intermittent ones. The ironic thing, my guest points out, is that it's the fact that we're not getting enough of this sublethal stress these days that's really doing us in.
Paul Taylor is a former British Royal Navy Aircrew Officer, an exercise physiologist, nutritionist, and neuroscientist, and the author of Death by Comfort: How Modern Life is Killing Us and What We Can Do About It. Today on the show, Paul discusses the science of hormesis, how small doses of intermittent stress can make us more resistant to chronic stress, and why you need to embrace what Paul calls "discomfort harvesting." We talk about some now-familiar topics like fasting and cold and heat exposure with fresh inspiration as to how important they are to practice and how to do them effectively. We discuss how hot a sauna needs to be to get the benefits of heat exposure, Paul's suggestion for how to make an ice bath on the cheap, what may be the single best type of food to eat to improve your gut's microbiome, a form of fasting that's got anti-cancer benefits but is so accessible it won't even feel like fasting, what supplement to take to mitigate the effects of a bad night's sleep, and much more. We end our conversation with how to use what Paul calls a "ritual board" to stick with your healthy habits and resist the "soft underbelly" of modern life.