Daily school recess improves classroom behaviour

Sometimes I think we create controversies just for controversy sake, especially in our education systems. We create them; there is a big hullabaloo; fiery debates ensue then the issue dies and we move on to the next. Maybe it is done to give researchers something to work on. Might have to do with that 'publish or perish' maxim of university professorship.
One of these was about the value of recess in schools. Many school systems decided that playing during the school day was wasting precious time that children could be spending learning something. Of course, others espoused the value of physical exercise and the connection between physical and mental energy. So how did that hullabaloo ever end?

Here is an article that is reviving the issue. A good read though.
Science Daily