It’s also important to go to the loo when you need to rather than holding it in. Which brings up one last thing: it’s probably not a good idea to read this column while sitting on the toilet. Studies suggest if you read on the toilet you are likely to stay there for longer than you realise, encouraging you to sit and strain. And this column is designed to shed light on, not be the cause of any medical condition.
You can hear more Medical Myths on Health Check on the BBC World Service.
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