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.

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

Posted by Candace Burch on Tuesday, 17 November

Women holding prevention sign for breast cancer

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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The Pg/E2 (Progesterone/Estradiol) Ratio

Posted by Dr. Alison McAllister on Tuesday, 31 March

Chalkboard with 'Pg/E2 Ratio' written outWhen sex hormones are tested in women either in saliva or blood spot, ZRT test reports give a ratio of progesterone (Pg) to estradiol (E2). The ratio is helpful in clinical practice when both E2 and Pg are within range, yet the patient continues to have symptoms. It is not expected to be normal or used clinically when either E2 and/or Pg are outside of their expected ranges or if the patient does not have clinical symptoms.

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What is Estrogen Dominance?

Posted by ZRT Laboratory on Tuesday, 17 March

Estrogen's molecular structureEstrogen dominance refers to an excess of estrogen when progesterone levels are inadequate. This condition can occur in women during the reproductive years, but tends to be particularly symptomatic for women during perimenopause and in menopause. Estrogen dominance is worsened by women not ovulating, women being exposed to synthetic estrogens and/or women not metabolizing estrogens correctly. Estrogen dominance is a term coined by John Lee, M.D. in the book What Your Doctor May Not Tell You About Menopause.

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Hormones And Weight Gain - Your Questions Answered

Posted by Candace Burch on Tuesday, 17 February

Weight Management ZRT LaboratoryDuring the Balance Your Hormones to Balance Your Weight Webinar, many questions were asked that we couldn't get to during the one hour presentation. We followed up with Candace Burch, and she took a few minutes to respond to your questions below.

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