Illicit drugs use is a real public health issue, especially among young people.The totality of the drugs harmful effects on the body is difficult to quantify, especially because of poor valhalla axys epidemiological data and ethical concerns about the inclusion of consumers in clinical trials.However, health professionals need to be alert to identify, report and fight drug-related pathology.This article aims to draw attention to the lung pathology induced by the consumption of some of read more the most commonly used illicit drugs: copyright, heroin and cannabis.