What are the side affects of gastric byp?

You should attend information seminars regarding bariatric surgery - these are free, sponsored by the hospital performing the surgery and open to the public. In addition, you will meet others and have a chance to ask questions. You can also ask to talk with people who have had this surgery to see what they think. Side effects of bariatric surgery often vary according to the person - especially according to what they eat and how well they stick to their "program."