Hormone Health Hub: Expert Insights on Testing, Balance & Better Living — bioidentical hormone therapy

Cardiovascular disease is the leading cause of death in women, and the risk dramatically increases with menopause as estrogen levels decline. In this in-depth clinical article, Dr. Sherry LaBeck of ZRT Laboratory explains how estrogen protects the cardiovascular system through nitric oxide production, endothelial function, blood lipid regulation and anti-inflammatory mechanisms — and why the timing of estrogen replacement therapy is critical to its cardioprotective effect.

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.

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.

The decline in oestrogen, progesterone and testosterone as we age is one of the primary drivers of skin thinning, wrinkling, dryness and loss of elasticity. But hormones affect skin in more ways than most people realise — from DHT-driven acne and unwanted hair growth to the risks of over-supplementation. This article explains the key hormonal connections to skin wellness and how targeted testing can guide safe, effective hormone use.