Thank you for your question regarding smoking after undergoing liposuction and fat grafting. It's important to consider how smoking can affect your recovery and the overall success of your fat grafting procedure. Smoking can significantly impair your healing process due to the way nicotine constricts blood vessels, which reduces blood flow to the tissues. Adequate blood flow is crucial for the survival of the fat cells that have been transferred to your abdomen. Smoking can increase the risk of complications such as poor wound healing, increased risk of infection, and higher rates of fat graft failure (where the transferred fat does not survive). Most surgeons advise their patients to stop smoking at least 4 to 6 weeks before surgery and to continue avoiding smoking for at least 4 to 6 weeks after surgery, or longer if possible. The longer you refrain from smoking, the better the blood flow to the healing tissues, and the better your overall recovery will be. Since you have had fat grafted to your abdomen, it is particularly important to avoid smoking to maximize the survival of the grafted fat cells. If you smoke too soon after your procedure, you risk compromising the results by causing more of the transferred fat cells to die off. I strongly recommend discussing your smoking cessation plans with your plastic surgeon, who can provide you with specific guidance based on the details of your surgery and your overall health. Additionally, your surgeon might recommend resources or support programs to help you quit smoking, which can be beneficial not only for your surgical results but also for your long-term health. Continuing to avoid smoking will play a critical role in ensuring the best possible outcomes from your liposuction and fat grafting procedure. Sincerely, J. Timothy Katzen, MD, FASMBS, FICS Plastic Surgeon