Do you get sleepy on Thanksgiving and blame the turkey? Well, you're wrong to do so!
Why do some doctors give antidepressants, but not diet pills, to overweight patients?
Come on, get happy! How does your brain produce those feelings of excitement?
It would probably make a pretty cheesy horror movie, but the thing is, it's true. In fact, that creature with the extra brain is you.
Chronic depression involves brain chemistry. Neurons in the brain communicate with each other via neurotransmitters, chemical messengers sent from one nerve cell to another. To move between cells a neurotransmitter must cross the synapse–the junction between neurons.