Dr. Madeira reviews and dispels 5 Key Myths the medical community and natural medicine community tends to believe about Testosterone (endogenous production), and Testosterone Therapy (exogenous bio-identical Testosterone). Some of the key myths are around andropause only happening in men 50 years old and older, the idea that herbal medicines increase testosterone enough alone for really testosterone deficient men, fatigue is only an adrenal and thyroid problem endocrinologically, Testosterone Optimization Therapy causes prostate cancer, and having enough pregnenolone and cholesterol is enough to increase testosterone in men.