There is quite a lot of evidence lately, beyond kids, that the approach to mental health should include physical activity. There are studies right now in schizophrenia and more serious mental illnesses that show good results if you engage the individuals in physical activity. In fact, apart from being a therapy on its own, physical activity may actually increase the success of the medication. On a lot of levels, physical activity seems to be a partner in therapeutic programs for mental health in particular, across ages.
On May 27th, 2019. See this statement in context.