来自加州高尔特的杰夫·格拉布形容过去的自己是一颗“定时炸弹”.现年48岁的他身高5英尺7.5英寸,体重最重时为311磅. He had a body mass index (BMI) of 47, qualifying him as morbidly obese. 额外的体重严重损害了他的健康. Grubbs suffered from Type 2 diabetes, high blood pressure, thyroid problems 还有背部疼痛,每天要吃15片药.