Eli5: why is there no test for the “chemical imbalance” that is often mentioned for depression?
In: Chemistry
75% of serotonin production occurs in the intestines. People with Krohn’s disease are very prone to depression because of this factor. There are multiple causes for depression. If you want the newest and most researched answer go to the nimh.gov website. National Institute for Mental Health. It is tax dollars well spent.
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