Is it really true that Autism, ADHD, Learning disabilities, Dyslexia and the likes are on the rise?

Is it really true that Autism, ADHD, Learning disabilities, Dyslexia and the likes are on the rise? or is it simply that changes in human environment chipped away at our sensory sensitivities making us less able to cope and thrive?

#iguru_soc_icon_wrap_66270de0cd92e a{ background: transparent; }#iguru_soc_icon_wrap_66270de0cd92e a:hover{ background: transparent; border-color: #2D937A; }#iguru_soc_icon_wrap_66270de0cd92e a{ color: #acacae; }#iguru_soc_icon_wrap_66270de0cd92e a:hover{ color: #ffffff; }