Jeff Grubbs, of Galt, Calif., describes his old self as a "ticking time bomb." At his heaviest, the 48-year-old — who is 5 feet, 7.5 inches tall — weighed 311 pounds. He had a body mass index (BMI) of 47, qualifying him as morbidly obese. The extra weight took a dramatic toll on his health. Grubbs suffered from type 2 diabetes, high blood pressure, thyroid problems and back pain, requiring him to take up to 15 pills a day.
In December of 2010, Grubbs made the decision to have gastric bypass surgery at UCSF's Bariatric Surgery Center,[...]