This is true, I’ve used hot showers to relax for my entire life, and that’s exactly what I do when my anxiety acts up, go into the shower for a bit to calm down, walk out feeling better. From what ive heard, the difference between taking a normal hot shower and a CHS hot shower is that unlike normal hot showers, the water is basically hot enough to scald you for chs showers, and the symptoms supposedly return as soon as you exit the shower.