👉 Pneumatist is a medical profession that specializes in the study, diagnosis, and treatment of air pollution-related diseases. These patients may suffer from respiratory problems such as asthma, bronchitis, or chronic obstructive pulmonary disease (COPD), which can be caused by exposure to particulate matter (PM) and other air pollutants. The term "pneumatist" comes from the Greek word "pneuma," meaning "air."