However, they are not without their risks. These devices can have negative effects on the body, impacting various organs and overall health. One of the primary concerns is the presence of nicotine in e-cigarettes, which is highly addictive and can lead to dependence. Nicotine affects the cardiovascular system, raising blood pressure and increasing the risk of heart disease and stroke. It also has detrimental effects on the respiratory system, causing inflammation and irritation of the airways. E-cigarettes can also harm the lungs, leading to lung damage, chronic bronchitis, and even popcorn lung, a severe lung condition. E-Cigarettes can also lead to EVALI a serious lung condition that can be fatal. Furthermore, the chemicals and fine particles in e-cigarette aerosol can have adverse effects on the immune system and increase the risk of respiratory infections. Additionally, the long-term effects of e-cigarette use on other organs, such as the liver, kidneys, and reproductive system, are still being studied. Smoking's effect on vital organs is quite adverse. It damages the heart, leading to coronary artery disease, heart failure, and irregular heart rhythms. The kidneys are also affected, increasing the risk of chronic kidney disease. Additionally, smoking contributes to liver disease, a weakened immune system, compromised bone health, and reproductive problems. Since only about 3% of smokers in India succeed in quitting, it's even more important to prevent young people from becoming addicted to tobacco. No Tobacco Day serves as a reminder of the critical importance of never indulging in this deadly habit. Quitting smoking is very important for a healthier life for everyone.