It's weird that we consider mental illness to be a disease, in my opinion -- none of the drugs have been linked to physical/chemical shortages in the brain or the like. We're able to mask symptoms but have absolutely no proof about underlying reasons, and so we create names of things and put it in the same classification of a medical disease... but that's very different. Bipolar cannot be identified by any physical m…
I'm not sure where you get your information, but mental illnesses certainly can be identified by physical (neurochemical) differences from a statistical baseline. Probably one of the easier ones to identify is dopamine deficiency and dysthymia. Drugs can certainly mess up someone's life (see my earlier post). But untreated mental illness can literally end your life (either directly, via suicide, or indirectly, via me…
Here's one of mine about ADHD: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1518691/