Severe toxicity can arise from exposure to a range of toxic substances, including chemical agents, pharmaceuticals, environmental pollutants, and biological toxins. Specific causes include:
Pesticides and herbicides used in agriculture. Industrial chemicals, such as heavy metals like lead and mercury. Drug overdose, particularly with substances like opioids and sedatives. Exposure to environmental pollutants, such as air pollution and contaminated water. Biological toxins, including those from certain plants, animals, and bacteria.
