No Smoking Day is celebrated every second Wednesday of March; thus, this global day is observed on March 11 in the year 2026 to raise awareness about the negative effects of smoking across the world. The main aim of this global day is to spread awareness about the harmful effects of smoking especially among youngsters worldwide. This Global Day provides an opportunity to share about the harmful impacts of smoking on the human body on several social media websites among common people worldwide.

Smoking causes several diseases, such as cancer, lung disease, heart disease, cancer, and many more. It also increases the risk of several eye diseases, issues in the immune system, tuberculosis, and many more. If any woman smokes during pregnancy, then it may enhance the risk of pregnancy complications. Smoking may also negatively affect the immune system of the human body, which makes it more susceptible to infectious diseases. It can also enhance the risk of developing several cancers including lung cancer, bladder cancer, liver cancer, stomach cancer, pancreatic cancer, and many more.
Smoking may harmfully affect the function of blood vessels and can restrict the sufficient flow of blood required for suitable erection and resulting in erectile dysfunction which reduces sexual performance. It may also damage the DNA in sperm which enhances the risk of miscarriage and several birth defects. Smoking may also be harmful to the heart by increasing blood pressure, enhancing the risk of blood clots, and restricting the blood flow.
Smoking may negatively impact on eyes and vision which is also responsible for several eye diseases including cataracts, glaucoma, and many more. It also negatively impacts insulin and may be more likely to develop type 2 diabetes and also harmful to the heart. Smoking may also negatively effect on bone by contributing to bone loss and lowering bone density. It may also negatively affect on nails, skin, and hair.
Smoking may also enhance the risk of miscarriages, early delivery, stillbirth, low birth weight, and many more. Thus, the main aim of this international day is to raise awareness about the harmful effects of smoking to reduce smokers worldwide.