According to a new study published in Nature, depression may not be caused by a serotonin imbalance in the brain as previously assumed.
For the past three decades, people have been bombarded with material that suggests depression is brought on by a "chemical imbalance" in the brain, namely an imbalance of serotonin. The evidence, however, does not support it, according to our most recent examination of the research (pdf below).
The pharmaceutical industry began heavily promoting the s...
