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Sedentary behaviour is increasingly recognised as an important risk factor for chronic disease, including several forms of cancer. While most research has focused on the total amount of time spent sitting, less is known about whether the pattern of sedentary behaviour, specifically prolonged uninterrupted sitting versus sedentary time broken up with activity, influences cancer risk. In this large cohort study of 91,292 UK Biobank participants, Zhou and colleagues used accelerometer data to investigate associations between different sedentary behaviour patterns and cancer incidence and mortality. They found that interrupted sedentary behaviour is associated with a lower risk of cancer compared with being sedentary for long stretches of time.
Image Credit: Ketut Subiyanto; Pexels