The episode suggests cold exposure through cold showers and ice baths as a method to stimulate the vagus nerve and improve HRV.
Cold exposure is presented as a potential strategy for boosting energy levels, supporting brown fat and thyroid function, and improving metabolic health.
The podcast episodes discussed extensively cover the topic of cold exposure, including its effects on the body's physiological and neurological systems.
Several episodes, such as Episode 74. Understanding Heart Rate Variability: The Science Behind Stress and Recovery, The Breathwork Expert: The Breathing Exercise That Eliminates Stress! Wim Hof, and Episode 68. Gary Brecka's Ultimate Morning Routine | BioHacks & BioStacking, highlight how cold exposure can stimulate the vagus nerve, improve heart rate variability, and enhance the body's stress resilience.
The benefits of cold exposure on the immune system, metabolic health, and cognitive function are also explored in episodes like Expert Shares Weight Loss Myths & Secrets to Optimize Metabolism, Gut Health and Energy with Alexis Cowan, PhD and the Time Perception & Entrainment by Dopamine, Serotonin & Hormones episode.