Yes. You should stop smoking and using tobacco products 14 days to 2 months prior to having bariatric surgery. This will allow your lungs to better provide oxygen to your blood, which can help decrease the risk of infection and pneumonia. It also helps improve wound healing.
Reports show that smoking dramatically increases the risk of potential complications after weight loss surgery such as lung problems, promotes infection and interferes with blood flow to tissues that are healing. It also increases your risk for ulcers. When you stop smoking, it shows your commitment to a new and healthier lifestyle.