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. 

Read More

Confused About Hormone Therapy Terminology?

Posted by Jim Paoletti on Friday, 16 October

patients ask about bioidential hormone therapy

When a patient says that she wants “natural” hormone therapy, does the term mean the same thing to you as it does to her?

Let’s explore that question further by dissecting the terminology most commonly used by patients (and even some experts) when discussing hormone restoration therapy: “natural,” “synthetic” and “bio-identical.”

Read More

Learning the Nuts & Bolts of BHRT

Posted by Candace Burch on Tuesday, 29 September


In the 13 years since the landmark Women’s Health Initiative (WHI 2002) revealed greater risks for heart disease, stroke and breast cancer among women taking Hormone Replacement Therapy (HRT), the dialogue around women’s health has changed dramatically.

Back in 2002 when the bad news about hormones hit the headlines, millions of menopausal women stopped using HRT overnight and big-Pharma profits plummeted dramatically.

Read More

Banishing the 7 Dwarves of Menopause

Posted by Candace Burch on Wednesday, 16 September


September is Menopause Awareness Month, but if you listen to certain talking heads in the media you’d think we were in the midst of Menopause UNAWARENESS month!

Just the other day on a woman’s talk show, a so-called menopause expert was warning about the perils of using progesterone cream for symptom relief “because it can cause cancer.”

This is the type of misleading information that makes my blood boil because it confuses the facts and scares women away from the benefits of natural hormone balancing during menopause.

Read More