You heard me right: this theory is actually a myth! If you believed the chemical imbalance theory, don't feel foolish; this is an incredibly common misconception. I mean, doesn't it just sound so logical? When you have a general understanding of biology and you hear talk about "happy chemicals" in the brain, it's easy to believe. Too bad things aren't quite that simple. The truth is that no chemical imbalance has been proven to exist in relation to any kind of mental health disorder. Additionally, there is also no way to test for the presence or absence of a chemical imbalance; no blood test, no urine sample, no brain scan... nada. Researchers have been working for the past 40 years to find any sliver of supporting evidence for this theory - literally thousands of studies - and haven't found anything. And even if we did know what a chemical imbalance looks like, the likelihood that "mood" is controlled by one specific neurotransmitter is slim. Li...