Question

Which of the following describes an effect of particulate matter on health?

Coarse particles are more dangerous, as they infiltrate deep into the lungs.
Fine particles are less dangerous, as they mainly affect nasal passages.
Coarse particles are associated with aggravated asthma.
Fine particles are associated with decreased lung function.

Answer 1

Exposure to such particles can affect both your lungs and your heart. Numerous scientific studies have linked particle pollution exposure to a variety of problems, including: ... decreased lung function. increased respiratory symptoms, such as irritation of the airways, coughing or difficulty breathing.