In the short-term, air pollution can aggravate the medical conditions of individuals with what?

• A. Heart disease
• B. Asthma and emphysema
• C. Lung cancer
• D. Pneumonia

Answer: (B)

Air pollutants irritate and inflame the airways, and that immediate effect hits people with airway-related conditions the hardest. In asthma, the airways are already prone to constriction and hyperreactivity, so exposure to pollutants like ozone and fine particulate matter can trigger coughing, wheezing, and shortness of breath within hours. Emphysema, a form of COPD, damages the small air sacs and weakens airway support, so irritants and mucus production from pollution make breathing more difficult and can spark sudden symptom flare-ups. While pollution can influence heart disease or pneumonia risk as well, the most direct short-term aggravation from air pollution among the options is seen in asthma and emphysema because their symptoms hinge on airway function that pollutants acutely worsen.