A new study highlights the increased risk of road crash fatality facing the morbidly obese. The report, by the Transportation Research and Education Center of the University of California, said that those who are significantly overweight may have an 80% higher risk of being killed if involved in a car crash. The research suggests that vehicles tend to be designed to give protection for those with a BMI in the optimal 21-25 range. And vehicle testing generally involves the use of crash test dummies that repl