Preventing exposure to environmental toxins involves a combination of public policy and individual actions: 1. Policy Measures: Governments can enforce stricter regulations on pollutants and harmful substances. 2. Education: Parents and caregivers should be educated about the potential sources of toxins and how to avoid them. 3. Healthy Practices: Washing fruits and vegetables, using non-toxic household products, and ensuring safe drinking water. 4. Monitoring: Regular screening for lead and other toxins, especially in high-risk areas.