The answer is yes, you can gain weight after body lift for multiple reasons. First, a Body lift is an operation to extract the fat around certain areas. It is not a weight loss surgery. if you are looking for a weight loss remedy you can check our gastric operations. Second, It is advised to eat healthy food and live an active lifestyle to prevent any excessive weight gain. Last but not least exercising is a key factor to maintain your body shape and feeding your muscles prevent from gaining fat in the future.