These doctors can help you manage any current health conditions you have but also be able to help you prevent any chronic healthy conditions you may be at risk for.
It's because their abilities and looks have very little to do with his cooking as they were probably eating healthy diets before he showed up. Their diet now does sound fairly healthy, even if some of the more delicious things in life are removed. The release said that this was in keeping with the Police Force's thrust to enhance the well-being and physical fitness of members of the Force.