COPD

Vitamin C reduces lung inflammation in COPD. Vitamin E reduces lung inflammation and inhibits fibrosis formation in lung tissue. Vitamin E is particularly important for slowing COPD progression because of its ability to inhibit fibrosis formation. Severe and very severe COPD is defined as FEV1 below 50% of predicted, following the GOLD 2019 classification. The severity of arterial stiffness is graded with COPD severity, being significantly higher in severe disease than in mild-to-moderate disease. Patients with worse lung function tended to report more dramatic physical improvements from harmonica playing than those with milder impairment. Participants with milder lung function placed greater emphasis on psychosocial benefits such as enjoyment, social connection, and skill mastery. COPD eligibility was based on repeated outpatient COPD diagnoses or at least one inpatient COPD diagnosis. Conventional COPD treatments including bronchodilators and corticosteroids are often insufficient in patients with severe or very severe disease. Stable COPD patients consistently show unmet care needs in pulmonary rehabilitation instruction, lifestyle guidance, and post-discharge support. Pharmaco…