Grew up in Newhall, went to college in the LA area, joined the Air Force and subsequently lived in Sacramento, Ogden, Japan, Apple Valley, CA, the Florida Panhandle, Korea, and Oahu. Quasi retired to Placerville CA and after 2.5 years moved to Vegas for a job.
I can't say I've disliked anywhere I've lived, but I really retired about 8 years ago and am still in Vegas. I could afford to move back to Santa Clarita (Newhall), but my lifestyle would take a major hit - I'd have to give up on the philanthropy I am able to practice now and I'd have to live on a tight budget instead of doing what I'd like whenever I'd like.
Some truth in the concerns about medical. They used to say in order to get decent medical treatment in Vegas you had to go to McCarren International Airport. They don't say that anymore [since they renamed the airport]. All kidding aside, I recently spoke to a doctor I know socially about heading to LA for treatment for my wife. She threw cold water on that idea - apparently hospitals in Cali are innundated with recent designated political refugee arrivals. They have degraded to the point the best ones are no longer recommended.
If you or a spouse have gambling problems, Vegas isn't the place for you. If you have self control, it's an excellent place to live. Lots of activities, a great variety of restaurants, etc. The only problem I have is I haven't found an edible chicken fried steak in this town.