Yes, but with depression the subtypes are recognized by medicine. For example, it short allele[1] is a recognized cause of depression, as is loss triggered depr

Yes, but with depression the subtypes are recognized by medicine. For example, it short allele[1] is a recognized cause of depression, as is loss triggered depression[2]. And there is fruitfull research on the subtypes. When I am feeling paranoid and cynical, I go as far as to think that the reason for not having split up the autistic spectrum, as has been done with depression, long ago is that there is a lot of funding ear marked specifically for "autism" which would go away if you started actually breaking out the real causes. [1] https://www.ncbi.nlm.nih.gov/pubmed/15877307 https://www.ncbi.nlm.nih.gov/pubmed/15877307 [2] https://www.mentalhelp.net/blogs/the-difference-between-grief-and-depression-the-dsm-v/ https://www.mentalhelp.net/blogs/the-difference-between-grie...