Q&A with Leyla, Part 2: Severe Back Pain

What impact does resistant starch have on the glycemic index of foods?; What are the pros and cons of the EBT heart scan vs. the CT heart scan?; What do you suggest for dealing with severe back pain today short of surgery?; I drink a popular mushroom coffee. Is this ok to drink if you have autoimmune disease?; What do you think of testosterone supplements for weight loss, low libido and ED?