Hormone Health Hub: Expert Insights on Testing, Balance & Better Living — adrenal hormone testing

Breast cancer rates have risen from 1 in 30 to 1 in 8 women over the past 30 years — yet the focus remains on treatment rather than prevention. Drawing on 35 years of clinical experience and infrared thermography, this article makes the case that environmental toxins, xenoestrogens, hormone imbalance and lifestyle factors may account for 91–93% of breast cancer risk. Prevention, not just awareness, is the real cure.

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.

In 1999, Tina Mattern was diagnosed with breast cancer and faced a terrifying choice of conventional treatments. Instead, she discovered the work of Dr. David Zava and ZRT Laboratory, and chose a path of natural hormone balancing, saliva testing and lifestyle change. This is her story — and her happy ending.

Norepinephrine and epinephrine follow a distinct diurnal rhythm — rising through the morning, peaking in the afternoon, and falling at night. When this pattern is disrupted by chronic stress, the consequences ripple through every hormonal system in the body. Learn how the stress response works and how dried urine testing can reveal imbalances.