"Shouldn't rates have gone down? What explains this?" I think with a lot of diseases it's better diagnosis so you get more cases. I feel the same is true for a

"Shouldn't rates have gone down? What explains this?" I think with a lot of diseases it's better diagnosis so you get more cases. I feel the same is true for autism. When I grew up nobody knew about autism so the autism rate was basically zero. We just had weird people.