I had the privilege of sitting down with Dr. David Zava, the founder of ZRT Laboratory and someone I’ve had the pleasure of knowing for over 20 years. During our conversation, Dr. Zava shared insights into his fascinating journey from studying environmental chemicals at the University of Tennessee to founding ZRT in Beaverton, Oregon. Over the years, Dr. Zava's pioneering research and unwavering…
In 2002 several large-scale clinical studies were published on the risks of breast cancer in postmenopausal women using conventional FDA-approved hormone therapy. These were the Women’s Health Initiative (WHI) and Million Women’s studies of women using FDA-approved estrogens and progestogens in the United States and Great Britain, respectively. Both studies came to the same conclusion – that…
Tags: Progesterone, Estrogen, Menopause, Breast Cancer, Brain Health
Single nucleotide variations (SNVs – formerly single nucleotide polymorphisms, SNPs) are the most common genetic variations in individuals. Research shows that some SNVs can help predict an individual’s risk of developing certain diseases, such as breast cancer. Although future studies are necessary to further characterize the involvement of SNVs in the etiology of breast cancer, this blog will…
Tags: Breast Cancer, Estrogen, Estrogen Metabolism
Did you know that ZRT offers clinical case reviews for neurotransmitter testing? If you want to learn more, check out Dr. Kate’s Clinical Cases, a library of presentations, created by Dr. Kate Placzek, to assess patient issues with the aid of neurotransmitter testing. You’ll find case presentations focused on various conditions from anxiety and depression, ADHD, PTSD, insomnia and many others,…
Tags: Breast Cancer, Neurotransmitters, Menopause, Heavy Metals
2017 has arrived, and with it comes new opportunity to understand the role of hormone balance in our overall health. Before getting started, we wanted to take a brief moment to reflect on the top stories of 2016 that captured your attention on the ZRT Blog. Following is a round-up of 2016's most popular posts for patients. For millions of women the world…
Tags: Hormone Balance, Thyroid Health, Lead, Heavy Metals, Breast Cancer
A technique new to breast cancer treatment that I hope will become the worldwide standard of care is cryosurgery (also called cryotherapy or cryoablation). I was fortunate enough to work with two women who had this procedure done by Dr. Peter Littrup, an interventional radiologist who gained FDA approval for a device he invented and used to freeze prostate cancer tumors using liquid nitrogen. Case…
Tags: Breast Cancer
This article is republished courtesy of The Official Website of John R. Lee, M.D. If you missed part one of the article, read it here. A Recipe for Beating (and Preventing) Breast CancerThe latest research on natural progesterone and breast cancer clearly indicates how important it is for women to maintain healthy, normal levels of progesterone that are in proper balance with estrogen. Doing so…
Tags: Hormone Balance, Breast Cancer, BHRT, Estrogen, Estrogen Dominance, Progesterone
This article is republished courtesy of The Official Website of John R. Lee, M.D. This is part one. Part two of this article can be found here. Two months ago, a large team of scientists working on multiple continents published a research study that came to startling conclusions about breast cancer and natural progesterone. The team determined that unlike synthetic progestins, which increase breast…
Tags: Hormone Balance, Breast Cancer, Progesterone, BHRT, Estrogen, Estrogen Dominance
When was the last time you thought about your personal risk for breast cancer? Even though it’s no longer National Breast Cancer Awareness month, it’s never too late to start thinking about this important topic. Don’t let the disappearance of pink ribbons rob us of the greater message of our hard won awareness: that despite all the money raised and the billions spent, we still have no guaranteed…
Tags: Hormone Balance, Breast Cancer, Estrogen, BHRT, Patient Education, Estrogen Dominance
As part of National Breast Cancer Awareness Month, and to broaden the conversation about breast health, ZRT Lab invited several breast cancer survivors to tell their stories. When I was diagnosed with breast cancer in September of 1999, I was convinced that my life as I'd known it was never going to be the same. I knew, of course, that many women survive, but I also knew that in spite of…
Tags: Breast Cancer, Patient Education, Cancer, Hormone Balance
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