... Departments of Medicine, Oncology, Physiology,Obstetrics and Gynecology, Georgetown University Medical Center,Washington DC, USA.3Neuropediatric Section, Department of Pediatrics,University Hospital ... trichloroethylene and vinyl chloride).Parental psychiatric history Parental psychopathology is associated with risk of autism and effective disordersAlcohol and drugs It is very unlikely that there ... of ASD according to region and ethnicity; more risk in Caribbean and African-American populationsDaily smoking in early pregnancy The risk of autism is associated with daily smoking in early...