Pollution mucks up the lungs’ immune defenses over time

Pollution mucks up the lungs’ immune defenses over time

The lungs’ immune defenses can wane with age, leaving older adults more susceptible to lung damage and severe bouts of respiratory infections. New research reveals one reason why this might happen: Inhaled particulate matter from pollution gunks up the works over time, weakening the lungs’ immune system, researchers report online November 21 in Nature Medicine.카지노사이트…