I discovered this article in the NY times recently about research that shows a link between obesity and the age (and walkability) of various neighborhoods in Salt Lake City.

The real challenge will be figuring out how to make the car-centered cities of the last 50 years more dense without tearing everything down and starting over. Ideas?

If you’re thinking of moving, be sure to check out walkscore.com to evaluate neighborhoods. It’s not 100% reliable, but it will give you a good way to start to compare a variety of places.