Hormones are chemical messengers that help regulate energy, sleep, body composition, mood, sexual function, and recovery. Many of them change with age, stress, illness, and poor sleep. You do not always need a prescription to balance your hormones. You should start with your history, your exam, and your labs, then decide whether treatment makes sense. This section looks at hormone decline, replacement therapy, and the tradeoffs that get glossed over when clinics sell a protocol before they understand the patient. Start with The Growth Hormone Paradox.