Those certainly could result in some mental disorder. An awkward personality and to some degree low IQ could be symptomatic of a mental disorder as well. It's definatly possible to make a convincing case that all mental illness is a manufactured construct [1]. But I don't think you can reasonably say ADHD is not a disease and still believe, say, depression or anxiety disorders are diseases.

[1]https://en.wikipedia.org/wiki/The_Myth_of_Mental_Illness