Yes, and people who have a certain mental architecture tend to associate with others who have similar brains. ADHDers tend to have friends with ADHD at least partly because they are more forgiving of some of the challenges of having ADHD.
This study is junk. There is no dataset or study design that is feasible for untangling the complexities of "like minds attract" to allow for an examination of the memetic spread of psychiatric disorders.
This study is junk. There is no dataset or study design that is feasible for untangling the complexities of "like minds attract" to allow for an examination of the memetic spread of psychiatric disorders.