Castor oil has, in fact, been used for thousands of years and was considered so valuable it was included in the tombs of ancient Pharos in Egypt as early as 4,000 B.C.

We blame neurotransmitters for everything, and try to use them to fix every mental health disorder in the book, but should we? Depression must be low serotonin, and anxiety must be too low or too high norepinephrine. But this view has its limits, and more and more research is confirming that neurological inflammation may be as important or even more important than neurotransmitter levels.