Im sorry, this may be harsh, but I think your parents are basically neglecting you. If you broke your arm, I'm sure they would take you to the hospital and get you treated for it. If they ignored it, they would be charged with child neglect. A mental illness is just as real and debilitating as a broken arm. They are ignoring a very real problem and it's so sad and infuriating that they are doing this. I'm so sorry that you're dealing with this.