Hormone Health Hub: Expert Insights on Testing, Balance & Better Living — cortisol imbalance symptoms

Cortisol testing helps evaluate how the body responds to stress by measuring daily hormone patterns linked to energy, sleep, mood, and immune balance. Through saliva and blood spot methods, clinicians can identify adrenal and HPA-axis imbalances early, enabling more personalized strategies to address fatigue, burnout, and stress-related health concerns.

You’ve probably heard of menopause, the well-known life stage where women experience a significant hormonal transition. But what about men? It might come as a surprise, but men go through a similar midlife shift known as andropause—often referred to as “male menopause.” While less talked about, andropause is just as real and just as impactful. ZRT Laboratory has tested over 150,000 men navigating the effects of hormone decline. Findings are clear: the gradual drop in hormones like testosterone plays a major role in many of the issues men face in their 40s, 50s, and beyond. What Exactly is Andropause? As men...

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.

Thinning hair is more than a cosmetic concern — it is often a signal of something happening internally. From stress and cortisol to menopause, thyroid dysfunction, PCOS and nutritional deficiencies, hormones play a central role in hair health. Dr. Kate Placzek breaks down the science behind hormonal hair loss and what you can do about it.

Why does weight gain accelerate at menopause? Can estrogen dominance cause low cortisol? Is saliva testing better than blood? Hormone Health Educator Candace Burch of ZRT Laboratory answers the most common questions from women struggling with hormone-related weight gain — covering everything from adrenal fatigue and vitamin D deficiency to birth control, bioidentical progesterone and why “your hormones are fine” from a standard blood test may not tell the whole story.