so im 18 and i have done really a lot of drugs in the past from when i was 13 im talking everything and iv had all the legal drugs as well but i stoped about 4mts ago and now i have bin feeling all sorts of things that i never did befor ... like i cant even run up stairs or work out my heart just gose off its head i keep geting sortness of breth even if im just sat down , and pain all over my chest, all so my blood presher is really hight i , last night it got bad my bpm went up to 205 , it was horrible .... but no one will help me so whats going on ? oh and i can feel my heart beat change beats :/