The Paris games have just started - and France has made a concerted effort to ensure that this year's Olympics will have a legacy of physical activity for the whole population.
However, mega sporting events don't always have that effect, and Fiona Bull, head of physical activity for the WHO, joins us to explain why it's increasingly important that they do.
We'll also hear from Professor Sir Denis Perera Gray about how a lifetime of general practice, and why continuity needs to be at the heart of any improvement to primary care.
Finally, Harry Brunjes went from being a village GP to the chair of English National Opera, and explains what the two careers have in common.
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Olympic Games: linking sports mega events to population physical activity
