I’m no expert of course, and from what I have read, this is getting confusing, as I think we are talking about different things.
I believe what your posting is what was being referred to earlier in the posts, which has my interest.
But, I believe " Hypertrophic Cardiomyopathy" is an entirely different disease, and is a genetic condition?
And then yet third example, that is “beneficial” thickening of the heart walls, and reversible in the future with less workout…?
Rick