Autism troubles with social interaction and communication as developmental disorder 
Autism is a big deal some people don't know it can break some who are not mentally strong minded. 
it has some repetitive and restricted behavior
It comes with some it depends on the person can be major some minor I work with clients with disabilities and with autism it is different in each individual. 
 they will  gives typically catered types of  treatment   
Autism is really common in the US though the numbers are about 200,000.
main reason for autism causes are combination of genetic and environmental factors.