Yeah, well being an asthmatic since childhood has me thinking giving up everything is the way to go at the moment. LOL, have always been into experimentation, and this is something new so gotta find fun in that. Looks like League players here are getting into class action .. https://www.theage.com.au/sport/afl/afl-concussion-class-action-probably-not-too-far-away-20200901-p55rbo.html .. now for head trauma. I've only had two which led to hospital so hard to think it could be that .. https://www.alz.org/alzheimers-dementia/what-is-dementia/related_conditions/chronic-traumatic-encephalopathy-(cte) . Dad said my memory was worse after collecting the windshield, but i disagreed as have always felt it sucked. Brain waves have been a bit odd is all.