ARDS can be caused by a wide range of toxic agents. Inhalation of harmful chemicals such as chlorine gas, ammonia, or smoke from fires can directly injure lung tissue, leading to ARDS. Additionally, drug overdose, particularly with opioids or sedatives, can suppress the respiratory system and contribute to the development of ARDS. Chronic exposure to environmental toxins, like asbestos or certain pesticides, can also predispose individuals to this condition.