Out of curiosity, you might actively make more inquiries as to any other changes those undergoing treatment may have noticed.
Also, research the improved QOL for those with lower than normal o2 levels who are receiving other kinds of o2 therapy; those using continuous positive airway pressure devices for instance.
I would be interested in hearing more about your observations.
I would ask all the patients if they noticed anything different about their energy, mentation, skin etc. No one really said they did, but most of these people were in therapy for about 6 to 8 weeks.
The cost is enormous.
You have to have someone monitor you the whole time.
OTOH, Oxygen can be dangerous if you breath it e.g. at night at high doeses.
I really don’t see how this could ever be cost effective and permanent.
A person would have to spend hundreds of thousands of dollars to add a few months of youthful ness to them.