i use to smoke weed literally every night for a good 2 years and not to mention other drugs on weekends at party's but one night about 1 year ago after i smoked a spliff i was watching t.v and all of a sudden i had this over whelming high pitched noise in my head and my heart start beating like crazy i thort i was going to die litteraly i stayed up walking back and forth for hours just in case when i sat down it would do it again so... a few days later a had the same feeling again and it keeped coming back with out the high pitched noise this is. so i looked into it and found out it was anxiety so i quit weed imediatly and well any form of high for that matter including acohol i then controled it and stoped getting the feeling until new years eve so this is a good 5months with out a feeling of anxiety then it all went horrible rong i was spiked with MDMA and thort i was losing my head walked away from the party i was at left all my belongings and walk off on my own. now normaly a come down off mdma last 2 days or so mine lastd 1month and every since then i have had the feeling of going crazy it comes and goes last month i conquerd it and didnt have it for about 3 weeks i used the word No when ever i felt like thinking about it and it got less and less and then one day it sliped into my head again and now i i cant stop thinking about it i have not been to a doctor and have not bee properly diegnosed. i get this feeling when i watch films or hear stories about some one loosing there mind. and i imediatly think omg what if that happens to me. also seen as ive got out of the drug scene i now have not allot of friends because all the do is drugs which i now hate with a passion so where as i use to go out every night socialising i now sit at home with my parents and i feel like they might be contributing to it i use to be so out going and now im an anti social mess basicly letting my thoughts worry me to much. can someone please give me a verdict i am 18 by the way and i am able to laugh at something that is funny and i am addicted to smoking and gambling i am also over weight now seen as i dont go out atall.