

Football players take regular hits to the head repeatedly as well.
This isn’t really a claim in the way you are stating it.
Are you surprised the brain is so good at rewiring itself due to cell death? Perhaps it is so good it that it doesn’t really matter?
Unfortunately we have a lot of TBI people that seem to suggest otherwise.
This is patently false. It cause brain death period. Perhaps you can argue it is not that big of a deal because of the brains ability to rewire itself once you have destroyed a portion of it
People do all kinds a bad activities for the brain so this is really nothing new.
One person breath play (so gross to minimize it this way) is another person’s sexual violence.
Edit: I would also like to point out frequency. The frequency of preferred sexual activity dwarfs the training you are talking about. Seems like a convenient and not thought out excuse.