Not only is being involved in sports physically healthy, I also think it is a great way to instill character, hard work, and the understanding of consequences.

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"There has to be an understanding that when we have players at international level it is hard for them to come back immediately and kick-stark, " he said.

BBC: Rangers boss Walter Smith forgives initial sluggishness

This large and competent study, by professors Nick Bloom, Toby Kretschmer and John van Reenen, was actually read by some, be it clearly without a proper understanding of its methodology (which, indeed, it being an academic paper, is hard to fully appreciate without proper research methodology training).

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