A chemical imbalance doesn’t explain depression. So what does?
The causes of depression are much more complex than the serotonin hypothesis suggests
![An illustration of a person's head in profile created with words.](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2023/02/021123_LS_depression_feat.jpg?resize=1440%2C700&ssl=1)
Understanding depression means not only studying the brain and body, but also a host of outside factors that influence people’s health, researchers argue.
PETER STRAIN