Any ways to Relive Stress? I've been so stressed out latley....?

not to mention i get stressed out REAl easily; im failing math i have auditions that are stressing me out no to mention im grounded and school is just really confusing and homecoming is comeing up and im runing for princess and thats stressfull and i dont evan have a DRESS yett. And i feel like y head is about to explode. And whenever i get stressed i get really sick; last time i did which was lk 2 wees ago i was hospitalized and the other time i broke out with shingles(eww) and i just need ways to relaxe my self 'cas im not trying to get stressed...any advice?