Hormone Health Hub: Expert Insights on Testing, Balance & Better Living — #DHEA

Male hormone decline is real, progressive, and measurable. Learn how testosterone, DHEA, cortisol, and thyroid hormones affect men's energy, mood, and body composition — and how comprehensive at-home testing can help.

Adult acne that's cyclical, cystic, or resistant to treatment is almost always driven by hormonal imbalance. Learn which hormones are involved and how targeted at-home testing can guide effective treatment.

Hormones regulate almost every function in the body. This article explores what hormone balance means, the signs of imbalance, and how testing can help you understand your own hormonal health.

In their conversation, McAvoy and Dr. Zava discuss his early research, the development of non-invasive hormone testing through saliva, and how this has revolutionized how clinicians understand hormone health. Dr. Zava also touches on his significant findings regarding the metabolism of estrogen and how lifestyle factors can influence cancer risk. He reflects on the challenges he faced in the early days of ZRT Laboratory, including financial struggles, but also shares the satisfaction of making a real difference in the lives of patients and healthcare providers.

For McAvoy, Dr. Zava’s work has been instrumental in shaping his own approach to patient care. ZRT's comprehensive hormone testing, including their Hormone Profile III, has helped countless practitioners like McAvoy identify hormonal imbalances and tailor treatments that improve patient well-being.

To learn more about Dr. Zava’s remarkable journey and the transformative work being done at ZRT Laboratory, read the full interview below.

Heavy periods affect millions of women, yet the underlying causes are frequently misunderstood or left unaddressed. From oestrogen and progesterone imbalances to structural issues such as fibroids and adenomyosis, there are several well-established reasons why menstrual bleeding can become excessive. This article explains the physiology of the menstrual cycle, the most common causes of heavy periods, and how hormone testing can help identify what is driving your symptoms — so you can take informed steps towards better menstrual health.