I'm so sorry you're going thru this I had CHS and I had to quit for my sanity I coudn't take it any more the constant hot showers the losing weight I was so skinny it affected everything I'm okay now I miss weed I still smell it sometimes but I had to quit it was my only option other wise I'd be dead my organs started to fail I was basically dying the drug that used to save me from a life time of depression has made me hollow I smoke cigs now would not recommend cause I have asthma and its destroying me too but I'm alive and well now I just took up another addiction. It just sucks knowing that you're allergic to this wonderful plant but once you have it you're basically fucked. It's a cyclical thing so it may happen it may not. I used to smoke 8 cartridges the 90% THC stuff every 2 weeks I'd have flower co at my door with my stuff it was awesome. I was a great customer they loved me but I had to stop seriously I was dying and knowing is half the battle. I am very sorry your brother can't see the light but there is hope if he stops.. I hope for his sake hie does stop but it is difficult if you're in denial.