• Alchohol Drinking
• Smoking
• Tobacco
• Gutkha
• Miseri

If you over-drink on a regular basis, alcohol can be a poison. Women who regularly consume two or more drinks a day and men who regularly down three or more are at higher risk for liver damage, various cancers including those of the liver and mouth, high blood pressure, and depression.

As far as health goes, no popular habit on Earth is as harmful. It directly causes of heart disease deaths, cancer deaths, and a massive of all lung cancers, not to mention increasing the risk of developing mouth, throat, and, bladder cancer.