In surveys of UK adults conducted during the first lockdown (April-–May 2020), participants reported adverse changes in several behaviours that promote weight gain (adverse changes in diet, physical activity, alcohol consumption, mental health and sleep quality).27 28 Some29–31 but not all studies32 33 in people with T2D have shown worsening of glycaemic control in relation to COVID-19 lockdown which could explain the increased rates of insulin prescribing we observed between March and December 2020. Here, INS is linked to type 2 diabetes mellitus.