Quitting smoking and transitioning to vaping can bring about notable changes in both short-term and long-term health. When you quit smoking, improvements begin almost immediately. Within hours, carbon monoxide levels decrease, enhancing oxygen levels in the blood. Within days, lung function starts to improve, and the risk of heart disease begins to decline. Transitioning to vaping may provide an alternative for those seeking to quit smoking. Vaping eliminates the harmful combustion associated with traditional cigarettes, potentially reducing exposure to carcinogens. However, it's essential to note that the long-term health effects of vaping are still under research and debate. Ultimately, what happens when you quit smoking and start vaping, you embark on a journey towards better respiratory health and a reduced risk of smoking-related diseases. Consulting with healthcare professionals can provide personalized guidance on smoking cessation and alternative methods like vaping.