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.

Looking Back: Popular Patient Blog Posts of 2016

Posted by ZRT Laboratory on Monday, 09 January

ThinkstockPhotos-78051201_lores.jpg2017 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.


Read More

The Future of Breast Cancer Treatment: Cryosurgery

Posted by Ingrid Edstrom, FNP, M.Ed on Thursday, 27 October

ThinkstockPhotos-76764716-2.jpg

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.

Read More

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

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

ThinkstockPhotos-83401974.jpg

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.

Read More

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

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

ThinkstockPhotos-450744185.jpg

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.

Read More