Toxicity and The Impact on Learning & Behaviour info@lorrainedriscoll.com 9 years ago lead Studies on Toxicity Click on study title to view full study. 1)Pesticides and Learning Disabilities and ADHD2) Intelligence and Lead Toxicity3) Ecological Factors and Learning4) Learning Disorders and Heavy Metal Toxicity5) Study Links Heavy Metal Exposure to Learning Disorders6) Heavy Metal Toxicity and Developmental Delays7) The Role of Heavy Metals in ASD8) The Role of Heavy Metals in Learning Ability