Schizophrenia and suicide

I recently lost my schizophrenic brother to suicide.  I don't think his suicide was intentional, but what he did, nevertheless, ended up killing him.  I only wish that I had known that schizophrenia could be so deadly.  I just didn't take it seriously enough, and now my brother is dead.  He was always very concerned about health related issues.  He was always taking herbal supplements and exercising and was in great health up to the last day of his life.  He had developed a rash on his chest and as with any threat to his health (such as his very strange behaviors whenever he caught a common cold,etc.), he overreacted to it.  I told him to put some corn starch on it to try it out.  Another relative told him to get some sun on it.  He took off all his clothes, put corn starch on, and went outside his house and sat in the full sun in his back yard in Phoenix's 115 degree heat, and he died.  His body was found two days later by one of his friends.  Had I realized that it was this serious, I would never have let him live alone again.  He was living with me up until the last month of his life.  I could have stopped this from happening if he had been still living with me.  If only I had known that schizophrenics should not live on their own, I would have done so many things differently.  He was only 40 years old when he died.