Exposure to toxins refers to the contact with harmful substances that can negatively affect health. These toxins can be found in various forms, including chemicals in the air, water, food, and household products. Common sources include industrial waste, pesticides, and heavy metals like lead and mercury. When individuals are exposed to these toxins, they may experience a range of health issues, depending on the type and level of exposure. Symptoms can vary from mild irritations to severe illnesses, including respiratory problems and neurological disorders. Reducing exposure is essential for maintaining overall health and well-being.