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.

Pheochromocytoma - A Rare Condition Exposed by Neurotransmitter Testing

Posted by Dr. Alison McAllister on Wednesday, 28 June

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The New York Times did a remarkable story the other day that ended with the line "When you hear hoofbeats, the chances are good that it's a horse…but we must also remember that sometimes the circus is in town. [1]

ZRT is apparently hosting the circus this year. At the odds of 3-8 individuals per million – ZRT has been instrumental in discovering two cases of pheochromocytoma tumors in the last six months. A condition that my clinical physiology teacher, Dr. Bettenburg, said was so rare that we would never see one, and if we did, we should contact her – so I did, this week. 

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How to Supplement with Vitamin D & Melatonin after Melanoma

Posted by Lissa Gienty on Thursday, 04 May

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Quick Takeaway: Studies suggest high blood levels of 25-OH vitamin D may prevent melanoma [1] and appropriate D levels may affect the prognosis in both primary [2] and metastatic melanomas. [3] Keep your levels in blood between 50-80 ng/dL.

Additionally, melatonin and its metabolites protect the skin from sun and help guard the DNA there when faced with the mixture of cancer-inducing ultraviolet rays and oxidation. 

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How Stress Caused My Cancer

Posted by Dr. Robert Zembroski on Thursday, 12 January

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After beating cancer, Dr. Zembroski (above) strives to prevent chronic disease in his patients. Hear his story.

"You have a 5-inch tumor in your chest" were the words spoken from a friend and radiologist as we both stared bewildered at my chest X-ray, following a host of side effects I'd been having for weeks.

As I looked at the X-ray film in amazement, my thoughts quickly changed to frustration and anger as I realized my behaviors and actions played a pivotal role in creating my disease—non-Hodgkin's lymphoma. 

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Looking Back: Popular Provider Blog Posts of 2016

Posted by ZRT Laboratory on Monday, 09 January

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As we step into 2017 ready to further our understanding of how hormone imbalance affects health, 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 practitioners.


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