Thanks for joining me for another edition of the SerenityThroughSweat blog. This week I want to talk about stress, especially the benefitial sides of stress for various areas of health. Maybe even reframing stress in a more positive light.
Stress gets a bad rap. Sure modern life is full of stressors, and you can always find something to worry about if that’s what you are looking for. In it’s most basic form, we need stress in order to have an adaptation response. We need stress to grow.
I can’t think of any group of people that doesn’t have multiple stressors in their life, but parents, aviators, and athletes each have their own unique variety.
One of neat things about stress is that the body doesn’t really differentiate between where the stress comes from. Did you just run some sprints, fly through some turbulence, did your toddler hurl his plate of trail mix across the kitchen? Your body doesn’t discriminate, it just responds.
The response is a cocktail of hormones that trigger a myriad of reactions that have helped us survive and evolve as humans. One of the primary hormones is adrenaline/epinephrine. This is a case where my highschool chemistry teacher would say “in the scientific community why have just one name when two will do”.
When we experience any event that our body has deemed as stress, amongst other things, adrenaline is produced in the body by the adrenal gland and in the brain by the medulla oblongata.
Adrenaline/epinephrine then has a number of downstream effects such as increased energy and alertness, increased blood flow to muscles, tunnel vision or a singular focus, increased memory retention, and increased immune response.
From an evolutionary standpoint these all make a ton of sense, if something was trying to eat you, the adrenaline boost would better equip you to escape, learn from the event, and heal any injury you might sustain.
The stress system it turns out is not just for unplanned, try to stay alive type of events, but can be activated at our discretion to engage all of those benefits. The following study from the Proceedings of the National Academy of Sciences of the USA, demonstrates just that.
In the study of 24 participants was split into two groups of twelve, with one of the groups receiving ten days of training in mediation, breathing, and cold exposure, and the other receiving no training. Each group was then infected with E. Coli.
The intervention group which was trained had “profoundly increased plasma epinephrine levels”. This led to increased levels of anti-inflammatory cytokines, decreased levels of pro-inflammatory cytokines, and lower flu like symptoms. The study ends with “In conclusion, we demonstrate that voluntary activation of the sympathetic nervous system results in epinephrine release and subsequent suppression of the innate immune response in humans in vivo.”
The breath work, cold exposure, and meditation served to activate the stress response, while also modulating it (too much stress for too long a period as we all know can be a bad thing). This allowed participants to have a significantly better immunological outcome to a pathogen exposure.
Balancing stress is always a tightrope walk, too much and you risk burn out, too little and you won’t evolve or adapt. The magic of the sympathetic nervous system and epinephrine pathway is that your daily SerenityThroughSweat habit (assuming appropriate application) also comes with an added immune boost.
Thanks for joining me, stay safe and stay sweaty (and maybe even a little stressed too) my friends.
