Sign up and receive free news from Correio. Published on August 4, 2025 at 07:17 am Quitting smoking is one of the best decisions for health, and the lungs are the first to thank you. While the benefits begin within a few hours, full regeneration can take years — and in some cases, be partial. > Cigarettes and smokers According to Dr. Drauzio Varella, the lung is a resilient organ, but the time of smoking and the degree of injury define how far recovery is possible. "The longer the individual has been a smoker, the worse his case is," he explains.> As soon as the cigarette is put aside, the body begins a cleaning process. In just 48 hours, nicotine and carbon monoxide are eliminated, and sen... [Read more]