What Happened to Iris Chang?

Some people suggest that iris chang's suicide was due to harassment from japanese ultranationalists, if you could believe that. From what i've been able to research, it does not seem likely that they murdered her. No, what happened to iris chang was much more complicated. She took unregulated herbal supplements and also had a fear of the japanese right wing extremists. All of this leading to a break down that happened when she was in louisville, kentucky. Instead of sleepi, her husband wrote, she believed that the government was trying to poison her so she refused to eat or drink anything. After she left our home, her condition deteriorated rapidly