A 68-year-old woman with COPD and frequent exacerbations is considering stopping smoking. She asks about benefits even at her age. According to COPD-X and preventive guidelines, what is the most accurate statement?AStopping smoking at this age has no meaningful benefitBSmoking cessation slows lung function decline and reduces exacerbations and mortality at any ageCBenefits of cessation are limited to symptom relief onlyDNicotine replacement therapy is contraindicated in COPDEScreening for COPD is unnecessary in smokersCheck my answer