Not only do you get a good work out but you end up with tasty veggies and pretty flowers.
But I guess it will not be a "thing" until people can do it in air conditioned comfort. :)
You probably can’t blast loud music with a pounding beat to garden rhythmically to either, or watch the big screen TV while gardening.
Don’t forget this beni of the garden:
http://upliftconnect.com/science-finds-soil-help-depression/