The children born to mothers who smoke during pregnancy start smoking at an early age. Smoking causes gum disease and tooth loss. Asthma is twice as common in the children of smokers. Defective vision and cataracts are more common in smokers. Smoking makes heart beat faster, raises blood pressure and causes hypertension.
Smoking can damage heart blood vessels making it difficult for heart to pump blood.
The skin becomes slightly pigmented grey. If you smoke then close your eyes and picture yourself in your mind with these facial features. If overconfident smokers are still not convinced, than they should meet Govind Kumar of Faridabad. He used to be a chain smoker. Not any more.