What is the difference between FASD and ADHD (Attention Deficit Disorder)?

Though children with FASD may exhibit deficits in attention, there is a difference between FASD and ADHD. Though there is not much difference behaviorally, the underlying cognitive mechanisms differ greatly. Many studies have shown that children with FASD have a harder time interpreting the emotions or mental state of another person. Children with ADHD may be able to recognize and understand social rules, but may fail to apply them. Therefore, careful and accurate diagnoses and treatment must be found for either condition. Source: alcohol-abuse.info