I know sitting is bad for me. But how can I cut back when it’s so much fun? | Emma Beddington

I eat my greens and I look after my gums. There's not much I won't do for the sake of my health. But this? Get lost

Are you sitting down? Not because I am about to say anything shocking. Sorry - I shouldn't scare you. I bet you are sitting. So am I. Because sitting is what we mainly do, isn't it? Sitting is nice, a simple and enduring pleasure, unless it's forced upon you by illness or disability. This is a shame, because it's also killing me, you and everyone else.

You know this, probably. The sitting is worse than smoking" messaging started in about 2010. It isn't worse than smoking - duh - but it is associated with higher all-cause mortality". People doing more than 12 hours per day sitting had a higher risk of [premature] death," according to one of the authors of the most recent and widely publicised research on sitting and how to counteract its ill effects, which analysed data from four large-scale studies.