PTSD is not a mental illness, it is a brain injury.
PTSD causes your brain to get stuck in danger mode.
Even after you're no longer in danger, it stays on high alert.
Your body continues to send out stress signals, which lead to PTSD symptoms.
Studies show that the part of the brain that handles fear and emotion (the amygdala) is more active in people with PTSD.
Bottom line: PTSD is a brain injury and can be healed.
Immersing yourself in cold water puts your body into fight or flight mode. Starting with the cold-water shock response, dipping into cold water puts your body under stress. As you repeat this experience, you diminish this stress response. Having control over stressful stimuli can be beneficial for people with PTSD.
There is a special place in Toronto called
with a sauna, cold plunge and lovely guides that can greatly help with this condition.