Please read this interesting article.
'Type 1 diabetes is my superpower': Grantchester star James Norton on how he uses a VERY strategically placed glucose monitor for naked shots and doesn't let his condition hold him back
James, 33, has orange juice to hand when filming in case blood sugar drops low
If doing a topless scene, there will be a glucose monitor stuck out his bottom
Has type 1 diabetes, an autoimmune condition affecting around 300,000 in UK.