New to PCOS

I have been struggling with anxiety and depression since seventh grade. I’m now a junior in high school and have been on home and hospital schooling for most of the school year. I have cystic acne and tried everything, but nothing has worked. Since freshmen year I have gained 80 pounds, despite being on a vegan gluten free diet. My obgyn suggested getting blood tested, and I have PCOS. I’m new to this and scared