Marshall Bolin discusses the recent study questioning whether depression is caused by a chemical imbalance:

https://theconversation.com/depression-is-probably-not-caused-by-a-chemical-imbalance-in-the-brain-new-study-186672?fbclid=IwAR0Evx9dmCXOZjafFd8TYeIt_RCl4geflp_Eruh8tmr2Tj6Tme3VpvD1sug

https://www.nature.com/articles/s41380-022-01661-0

Marshall talks about how Amr Barrada's model of emotional health provides insights into what else besides a chemical imbalance might account for depression problems.

https://www.marshallbolin.com/