The ZRT Laboratory Blog

The ZRT Blog is an extensive resource for patients and health care providers searching for health and hormone testing information. Here, you can read about ZRT’s cutting edge research, advances in testing, wellness advice, and health industry highlights.

Menopause – Is It All In Your Head?

Posted by Dr. Kate Placzek on Friday, 03 June



We've heard Dr. Zava call it the "angel of life, and the angel of death." Too much can be hazardous. Too little can be problematic also. 

Not many people realize this, but estrogen plays a role in more bodily functions than just reproduction. In fact, estrogen has many important functions in the brain. 

Studies show that decreasing levels of estrogen can cause two of the most common perimenopause symptoms hot flashes and mood fluctuations. Curious how this happens? Read on to learn the details of this biochemistry. 

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New Research Shows Natural Progesterone Can Help Treat Breast Cancer (Part 2)

Posted by L. Kroon, Editor on Friday, 11 December


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 Cancer

The 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 could not only increase many womens’ chances of recovering from breast cancer – as the latest research indicates – but could also help them to avoid getting breast cancer in the first place.

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New Research Shows Natural Progesterone Can Help Treat Breast Cancer (Part 1)

Posted by L. Kroon, Editor on Tuesday, 01 December


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 cancer risks, natural progesterone has the potential to slow the growth of many breast cancer tumors or even shrink them.

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Preventing Breast Cancer: How Hormone Balance Can Help Save Your Life

Posted by Candace Burch on Tuesday, 17 November


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 treatment or cure for breast cancer. In the meantime, the continuing war on cancer with the latest designer drugs or procedures is big business. Sometimes it works and we survive to race for the cure. But breast cancer keeps catching up and overtaking too many of us. One in eight women is diagnosed with breast cancer during their lifetime, and in North America one woman dies of breast cancer every 12 minutes.

Still no cure. But we can take steps to prevent breast cancer. 

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