ATLANTA (WAOK) – Being overweight has its disadvantages, which now includes a greater likelihood of dying in a car accident. A new study by UC-Berkeley says obese people have an 80-percent greater chance of dying in a crash compared to drivers who were classified as “normal weight.” One of the theories proposed is that seat belts are to blame. Seat belts respond slower to soft tissue, or fat, and when heavy drivers are involved in collisions, their seat belts have less opportunity to lessen the impact.