I presume 99 you're describing yourself but in any case you have my own sincere sympathy
Is it obvious as to what her lifelong addiction is.
By no means
At risk of repetition, in my own case at least I've discovered sensitivity to trace amounts of certain chems, both natural and artificial but won't bore you with my observations. And besides it's only one of many possible causes
Do I recall correctly you're a young girl and if so my immediate reaction is hang in there, 99, things will probably get better. Again at risk of rep, is there anything else you might reveal about yourself that might contribute to more-nearly-expert opinion than mine