
Michel Cahali
Otolaryngologist and head of the sleep medicine and surgery section at the University of São Paulo, who conducts clinical research on CPAP therapy and microplastic deposition in the nasal airway.
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Mar 27, 2026 • 35min
Microplastics, PAP Therapy, and What the Science Shows
Michel Cahali, an otolaryngologist studying CPAP effects on the airway, and Thais Mauad, a pulmonary pathologist who detects microplastics in human tissues, discuss microplastics in nose, lungs, and even the olfactory bulb. They explore how plastics enter the body, methods to study deposition, surprising findings about PAP therapy, inflammation links, material additives, and steps to reduce exposure in healthcare and daily life.


