Are the increases in the diagnosis of ___ due to the fact th…

Are the increases in the diagnosis of ___ due to the fact that today’s children and adolescents are actually more distracted and hyperactive than their parents were, due to a greater awareness of this condition among teachers and parents, or due to psychologists and psychiatrists’ tendency to overdiagnose the problem? Perhaps drug companies are also involved, because the condition is often treated with prescription medications, including stimulants, such as Ritalin