That study is seriously flawed. The demographic for blood pressure is far too wide to be of use as there are so many unhealthy retirees down here to escape the snow, etc. , and what does traffic congestion have to do with being angry? They'll have to demonstrate that correlation much better before I'll give that study a grain of validity.
Data that identifies assaults that are a result of traffic incidents, domestic & other assaults, dissorderly conduct statistics (all based on percentage of population), would all be of much more use in such a study. Traffic congestion just because you THINK there MIGHT be a correlation? Give me a break!
