Dietary interventions in children with autism spectrum disorders - an updated review of the research evidence.

Autism Spectrum Disorders (ASD) is a group of life-long neurodevelopmental disorders, with onset before 3 years of age. They are characterized by qualitative impairmentin social interactions, absent or impaired language and communication skills, and present with a wide range of stereotyped, repetitive behaviors. Function and outcome are affected not only by core deficits but by associated behaviors such as hyperactivity, aggression, anxiety, and depression.

Effectiveness of nutritional interventions on the functioning of children with ADHD and/or ASD. An updated review of research evidence.

Attention deficit - hyperactivity disorder (ADHD) is the most common neurodevelopmental disorder of childhood and comprises a range of behavioral problems, including inattention, impulsivity and hyperactivity. ADHD has been investigated extensively during the last 30 years. At this point most researchers agree that ADHD is a problem of complex etiology that needs to be investigated as a function of complex interactions.