Is the chemical imbalance theory of depression true? How does the book Lost Connections challenge the theory? Research shows that there is no evidence that having too much or too little of certain brain chemicals can solely lead to depression. The book Lost Connections challenges the chemical imbalance theory by exploring the biopsychosocial model which posits that psychological, social, and biological factors are the main causes of depression. Read more about why the chemical imbalance theory is flawed.
The Chemical Imbalance Theory—Debunked










