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

Hot flashes, mood instability, brain fog and memory changes during perimenopause are not “all in your head” — but they are very much in your brain. In this in-depth clinical article, Dr. Kate Placzek of ZRT Laboratory explains how declining estradiol disrupts brain glucose metabolism, neurotransmitter signalling and thermoregulation, why perimenopause represents a window of neurological vulnerability, and why the timing of hormone replacement therapy is critical to protecting long-term brain health.

In perimenopause, falling estradiol doesn’t just trigger hot flashes — it disrupts serotonin production, driving mood swings, brain fog and sleepless nights. Discover the hormonal science behind “the change” and how testing can help.

Menopause affects approximately 40–50 million women in the US alone — yet it remains widely misunderstood. This article answers the five essential questions: who is affected, what menopause actually is, when it typically begins, where in the body it originates, and why hormone balance is the key to navigating this natural transition with health and vitality.

Dr. Cobi Slater’s Ultimate Hormone Balancing Guidebook arrives at a moment when hormonal dysfunction has never been more widespread. Her central argument — that the real cause behind the plethora of symptoms plaguing modern adults can be linked to imbalances within the hormonal cascade — is backed by research-based evidence and practical, natural solutions. This review covers the book’s key chapters and explains why it remains an essential reference for anyone navigating hormone health.

Estrogen dominance — an excess of oestrogen relative to progesterone — is one of the most common hormonal imbalances in women. From heavy periods and mood swings to breast tenderness and weight gain, the symptoms are wide-ranging. Discover the causes, what to test, and how to restore balance.