stairs
tsaunders | April 9, 2010
Image by Randy Son of Robert.
I love simple physical activity interventions. We all know that physical activity is a good thing, and yet it can be really difficult for people to increase their physical activity levels, especially over the long-term. So it's exciting whenever any intervention is shown to be effective, but even more so when it is simple. And an intervention that is both simple and inexpensive is pure gold. I wrote about one such intervention a few weeks ago, when I described a British study that showed that simply painting lines on a school-yard playground resulted in a…