You fortunately don't need medical research in learning how to live your life and experience meaning.
It's great if we have therapies that help people and get a proper scientific stamp. Yet we can also discover the benefits for ourselves before that stamp is given.
> You fortunately don't need medical research in learning how to live your life and experience meaning.
Here I'd disagree with you. I do need to know if you become happier because you become dumber due to brain damage or for some other magical reason. So far I haven't seen any evidence contrary to the dumber explanation.