Popsugar Family Autism What Is Autism? 11 Things You Need to Know About Autism Today April 2, 2014 by Rebecca Gruber View On One Page Photo 1 of 11 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 What It Is According to the Centers for Disease Control, autism spectrum disorder (ASD) "is a group of developmental disabilities that can cause significant social, communication, and behavioral challenges." Source: Flickr user horizontal.integration Previous Next Start Slideshow AutismChild Health And Safety