You have experience in 2 very different places demographically. High altitude may be on the list of factors but I would guess it’s pretty far down. Boulder is

You have experience in 2 very different places demographically. High altitude may be on the list of factors but I would guess it’s pretty far down. Boulder is a small college town of mostly affluent younger people. Memphis is an urban city in a hot climate that is older, poorer, and in the middle of the section of the US that has some of the worst health overall.