New Delhi, June 1 -- Quit smoking, and your lungs will thank you right away. Your fitness starts improving in just 20 minutes, but you'll notice bigger changes at 72 hours, 2 weeks, and 3 months. Smoking has become increasingly prevalent across certain age groups, particularly among young adults and the youth, due to social media influence and peer pressure. Cigarette smoke comprises several chemicals that are toxic and have carcinogenic effects on the body growing popularity of vaping or flavoured tobacco is leading to alarming health concerns and a severe impact on health. Quitting smoking lowers the risk of chronic diseases, such as heart disease, cancer, lung disease, and stroke, that can develop as a consequence of smoking. In the fi...