• BMI: BMI that is greater than or equal to 35 with comorbidities or greater than or equal to 40 without comorbidities.
• Diabetes type 2
• Blood pressure is too high.
• Cardiovascular disease
• Sleep apnea that is severe
• Osteoarthritis
• Infertility
• Gastroesophageal reflux disease (GERD)
• Certain kinds of cancer

Weight-loss operations, such as bariatric surgery, are often performed only after a person has attempted to reduce weight by modifying their diet and exercising. However, in the supervised tries, he has been unsuccessful.