air pollution

My reading is about ‘AIR POLLUTION: how does it hurt?’ Even at low levels, air pollution can damage your health in several ways:
• IRRITATION : burning eyes, cough and chest tightness
• REDUCED LUNG FUNCTIONS: difficulty breathing deeply vigorously, more rapid and shallow breaths than normal.
• AGGRAVATED ASTHMA: Increased hospitalizations and emergency department visits to treat severe symptoms.
• INCREASED SUSCEPTIBILITY TO INFECTIONS: reduced ability to fight colds, flu, bronchitis and pneumonia because protective membranes