Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Interesting, perhaps provocative, but filled with errors.

"Hormones...are proteins." The sex hormones are sterols. Epinephrine and norepinephrine are catecholamines . No resemblance to proteins! "Thalamus and hypothalamus are parts of the limbic system." Wrong. Hamer is confused about the 3 molecules forming the crux of his argument: norepinephrine, dopamine ("feel good molecule", but it causes paranoia and psychosis) and serotonin ("the brain chemical involved in negative emotions") The opposite is true: depression is relieved by serotonin.