Hormone Health Hub: Expert Insights on Testing, Balance & Better Living — melatonin and immune response

Explore the powerful connection between cortisol, melatonin, inflammation and circadian rhythms. Learn how disrupted hormone patterns may contribute to fatigue, insomnia, stress, cardiovascular disease, diabetes, depression and even cancer risk. This article reviews the latest insights from ZRT Laboratory doctors on hormone testing, sleep biology, stress physiology and the importance of maintaining healthy daily hormone rhythms for long-term wellness.

Most people think of melatonin as a sleep supplement — but this remarkable hormone is produced throughout the body and plays a central role in immune defence, inflammation, pain management, gut health and even cancer protection. Dr. Allison Smith dives deep into the biochemistry of melatonin and explains why getting your levels right matters far beyond a good night’s sleep.