Sentences about Anorexia Nervosa

Hello just need to check if these sentences make sense.

1. Anorexia Nervosa, a major psychiatric illness occuring mainly in adolescents, accompanies with the intense fear of becoming obese and refusal of food, although hungry.

2. The prevelance rate for anorexia shows a high rate for adults and adolescents

Greetings!

I think you're off to a good start, but I might suggest a slight change:

1. Anorexia Nervosa, a major psychiatric illness occuring mainly in adolescents, is accompanied by an intense fear of becoming obese and a refusal to eat, despite being hungry.

Best of luck in your studies!

Thanks,

Sarah, EssayForum.com