Most definitely "yes for the better" this thread explains the physical difference it has imparted to my life

Chronic fatigue no more - Help and Advice for Healing - Welcome to the DMT-Nexus

Beyond that psychologically it has helped my in many diffent ways. Confidence has been boosted (if you can handle facing a trip into hyperspace and stare ego death in the face you're a capable human being).

I no longer bottle things up, I say it as it is (this can be good and bad but you are being true to yourself which is very liberating).

I'm less quick to judge and more measured in my outlook and interactions.