Managing type 1 diabetes is 'essentially my day job'
Amber McGrath is 18 and for most of her life she's lived with type 1 diabetes.
She's one of about 35,000 under-19s in the UK with the condition, according to the charity Diabetes UK.
Type 1 diabetes, which is different to type 2 diabetes, is an autoimmune condition which means a person's pancreas has stopped working.
There is no cure and Amber will spend the rest of her life monitoring her blood glucose level constantly as well as giving herself insulin injections.
BBC Advice has more help and information about diabetes.
"Essentially my day job is being an organ in my body, which is the pancreas I'm missing," Amber, who is from Portsmouth, tells Newsbeat.
"People don't realise how much hard work goes into it."
"On average, a blood glucose test, which I should be performing at least four times a day probably takes about two minutes," says Amber.
"An [insulin] injection probably takes about five minutes.
"It doesn't sound like a lot but there are all of the mental calculations you have to do when it comes to eating food, drinking alcohol, exercising especially, which I don't think I could put a time on."
You can read more about Lydia Parkhurst, who has type 1 diabetes and explains why it's not down to her diet or weight.
Amber's goal is to keep her blood sugar reading between four and seven.
You can see from her diary that Amber woke up at 10.20pm, not long after going to bed and just before 5am, with readings lower than four.
This means she was hypoglycemic and the amount of glucose in her blood was too low.
"I will physically shake, I will feel very tired. I usually get emo Continue reading