we do not understand the brain or mental health conditions fully yet. science is what we know so far, and it’s still very limited. i do agree that the process of diagnosis, especially for mental health conditions, is entirely too subjective. but we don’t know enough yet to make objective tests for them
this is why racism and ableism is a huge problem in the medical field. drs think they know more than people experiencing their own body. even though all the science we have so far has come from listening to people and noticing patterns! diagnosis are constantly changing. it’s all made up. homosexuality used to be in the DSM