Sure, but sometimes (a lot of the time, from the experiences of multiple women in my life) doctors use “you’re overweight” as a thought terminating phrase and won’t even begin to look at other possible illnesses or treatments other than “you’re overweight, you need diet and exercise”.
By all means, if obesity is impacting their health it is something that needs to be addressed as well. That doesn’t negate other health issues that happen to be comorbid with obesity, though.
I’m pansexual, solidly a millennial, and started using the term nearly a decade and a half ago. Which was late to the game, since the term had been around for about a decade before that.