Insta Keto ations arising from the first operation. Some patients develop gallstones. Gallstones are clusters of cholesterol forming in the patient's gallbladder. Nutritional deficiencies like osteoporosis, anemia, and bone diseases are also common to patients, as not all the necessary nutrients are obtained from the food they eat. These are the ugly truths about surgery. However, with the help of a qualified physician, the side effects associated to with this procedure can be avoided. Just make sure that you submit only to the care of an experienced obesity doctor, who can closely monitor your condition and provide you with the necessary care. Obesity is such a big health problem. More than for aesthetic reasons, obesity needs to be addressed.