Sabrina is a fun, sporty and active 16 year old living with her parents in Lincolnshire. She has always been slim but has been using pro-anorexia sites for four months to help her lose a lot of weight quickly.

Like many girls she's ultra-conscious about her figure. She's had a history of dieting but not anorexia. She diets alongside online friends and posts daily in her online journal with updates of her weight loss.

She admits that the majority of girls on the pro-ana sites have a higher BMI (body mass index) than her but finds the sites helpful with her extreme weight loss goals. She feels the girls on it are 'really supportive and lovely'.

Her first goal was to get from 106lbs (7st 8lbs) to 102lbs (7st 4lbs) for her prom and she looks forward to her next goal of 98lbs (7st) for her GCSE results.

Pro-ana sites seem to be making her weight loss obsession more extreme – she is now picking up tips from the sites on ways to avoid eating.