Hormone Health Hub: Expert Insights on Testing, Balance & Better Living — cortisol rhythm testing

Chronic stress, fatigue, anxiety, and poor sleep may be signs of cortisol imbalance. Learn how stress and sleep hormone testing — including the Cortisol Awakening Response (CAR) and diurnal cortisol rhythm — can identify HPA axis dysfunction and help uncover the root cause of burnout, energy crashes, and disrupted sleep.

A family’s decision to become a “running family” transformed their two sons’ ADHD outcomes — no stimulants, no antidepressants, just daily exercise. Dr. Allison Smith explains the neuroscience behind why this works: from brain wave patterns and low sympathetic tone to dysfunctional cortisol rhythms and neurotransmitter imbalances. A compelling read for any parent or clinician looking beyond medication.

A melanoma diagnosis changes everything — but it can also be the catalyst for a smarter, more proactive approach to skin health. In this personal account, Lissa Gienty of ZRT Laboratory shares her melanoma story and the evidence-based steps she now takes to protect herself, including optimising vitamin D and melatonin levels and monitoring her diurnal hormone rhythms.

Your adrenal glands are your body's frontline stress managers — producing cortisol, DHEA and adrenaline to keep you functioning under pressure. But when stress becomes chronic, these glands can fall out of balance, leading to fatigue, weight gain, insomnia, anxiety and more. Discover how adrenal hormones work, what imbalance looks like, and 10 evidence-based tips to restore balance.

Persistent skin problems — from acne and dryness to unwanted hair growth and premature wrinkling — are often rooted in hormone imbalance. Oestrogen, testosterone, DHT, progesterone, thyroid hormones, cortisol and vitamin D all play distinct roles in skin health. This article explains the connections and how hormone testing can help identify the underlying cause.