IF raises cortisol but analyze: is cortisol elevation bad? Map cortisol: fasting-induced rise, chronic elevation, health impacts. Calculate: temporary cortisol vs. chronic stress vs. actual harm. Show me the cortisol reality: temporary rise is normal, chronic elevation is problem. Give me the truth: fasting cortisol rise is usually fine. Include: whether cortisol rise is concerning, when it's problematic, if should worry about it.