Toxic exposure refers to the contact with harmful substances that can negatively affect health. These substances can be found in the environment, such as in air, water, or soil, and can include chemicals, heavy metals, and biological agents. Common sources of toxic exposure include industrial waste, pesticides, and household products. When individuals are exposed to these toxins, they may experience a range of health issues, from mild symptoms like headaches to severe conditions such as respiratory diseases or cancer. Understanding the risks associated with toxic exposure is essential for protecting public health and ensuring safety in communities and workplaces.