Body temperature plays a crucial role in health, affecting sleep, metabolism and overall performance. The body operates as a thermostat, constantly adjusting your core and shell body temperature to ensure homeostasis. Cold exposure is an example of hormesis, a biological process where exposure to mild stressors can induce beneficial adaptations in the body. Deliberate cold shock is a type of “eustress” (good stress), as it activates a temporary stress response within the nervous system that contributes to a boost in mood and energy, enhanced metabolic and immune system activity and tissue repair, without the negative effects of bad or chronic stress.

By learning to manage the body’s stress response to cold, individuals can enhance their overall resilience to stress, which can be applied when facing real-life stressors. Whether in the form of an ice bath, cold plunge or cold shower, deliberate cold exposure provides a practical way to build mental toughness and improve physical health without the negative effects typically associated with stress.