Is the obesity control movement taking advantage of the podcast technology?

What about producing regular audio programs (maybe in different time formats) that could be made available via PRX and other platforms? When is the last time you heard a valuable story about the obesity epidemic on your favorite radio? Today NPR airs a story from Alaska about health coaches. Fair enough although how many companies provide health coaches, how many overweight people can afford a health coach? The story does point out to simple choices that made a difference (like quitting soft drinks and moving more).