Avoiding active and passive smoking has been recommended for a long time. Besides, regular exercise can make your lungs and heart stronger. In addition, breathing exercises are the most efficient route to improving lung health. Diaphragmatic, abdominal or belly breathing, pursed lips breathing, Active Cycle of Breathing Technique (ACBT), balloon and candle blowing exercise are just some examples of breathing exercises that are recommended for all, including those recovering from COVID-19. Recent research also suggests that good oral health can contribute to better lung health. And finally, lung health begins in utero and there is increased understanding now, that early life interventions can alter the trajectory of lung health.