When Gracelyn Guyol was diagnosed in 1993 with a mild form of bipolar disorder, also known as manic depression, she was prescribed a commonly used antidepressant. Soon she developed breast cysts and benign tumors, a possible side effect of the antidepressant. She went off the drug and within two months, her tumors disappeared. Under the care of a naturopath, Guyol embarked on a quest to educate herself about the underlying genetic, hormonal, and other...