Can lung function be restored with COPD?

Can you explain if it's possible for lung function to be fully restored in patients with COPD? What are the current treatments and strategies available to manage this condition and improve respiratory function? How does COPD impact the overall health and quality of life of those affected, and what are the potential long-term consequences if it's not properly managed? Additionally, what are the most effective ways to prevent the progression of COPD and minimize its impact on individuals?