Hallowell and Ratey, who write about ADHD, suggested a new entity for the current world: VAST, the variable attention stimulus trait. It is like ADHD but it is culturally induced and not presumed to be due to an innate deficiency in executive function. "Beyond the sources of biologically based ADHD, there are a lot of people who act as if they have ADHD but on close inspection turn out not to have the diagnosable con…
Point is I think MOST mental illness is the modern world. If you dumped people with severe depression into their ancestors supposedly worse lives 6,0000 years ago, hunting with tribe and sleeping under starry sky, they’d be fine.