Happy Valley star James Norton is using his platform to raise awareness of the life-threatening condition he lives with.
The actor, who plays murderous villain Tommy Lee Royce on the BBC series, has type 1 diabetes and sometimes has to inject himself with insulin up to 15 times a day.
He once branded the condition as a "complete b***h" when opening up about life as a diabetic to fans and admitted his diagnosis was "traumatic" due to the fact he is "a terrible hypochondriac anyway".