One question that has been asked frequently regarding the research on exercise as a form of treatment for depression, is, "Of all the various forms of exercise, what type is most effective"? Is it running? Biking? Walking? Weight lifting? Crossfit? While all of the above can certainly have a significant impact on an individual's mental health (particularly running, in my humble opinion!), recent research shows that one form of exercise may, in fact, have an edge on all ot