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.

Herbal Remedies for Sleep Disturbances & the Nervous System

Posted by Dr. Sherry LaBeck on Wednesday, 29 March


O sleep, O gentle sleep,
Nature's soft nurse, how have I frighted thee,
That thou no more wilt weigh my eyelids down
And steep my senses in forgetfulness?

William Shakespeare, Henry IV

A good night's sleep is important to health. During sleep the body is in an anabolic state when energy conservation, tissue repair and growth take over. The body temperature drops, growth hormone is secreted and immune cell production is increased. Thus sleep is essential for a healthy body and a peaceful mind.

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How Stress Caused My Cancer

Posted by Dr. Robert Zembroski on Thursday, 12 January


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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Diurnal Fluctuations in Norepinephrine & Epinephrine as Part of the Healthy Stress Response

Posted by Dr. Kate Placzek on Thursday, 08 December


Stress has become a synonymous, integral even, accompaniment of life in our fast-paced world. Generally regarded as "distress," our bodies struggle to re-establish physiological integrity at certain times, such as after working long hours, or when we have insufficient exercise, sleep and nutrition. Driven by persistent exposure to stressors, the body begins to lose its dynamic resilience and fails to return the system to a normal baseline healthy state. Derailed and overwhelmed, our susceptibility to stress-related diseases is greatly increased [1].

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Adaptogens: Herbs for Healthy Living

Posted by Dr. Sherry LaBeck on Monday, 26 September


The adaptogens represent a category of herbs that is almost commonplace for those individuals seeking to be healthier in today’s stressful environment. These remarkable herbs focus on helping the body resist the complex biological reactions that arise from the stressful events we daily encounter.

Adaptogens work to increase the body’s resistance to physical, biological, emotional, and environmental stressors while promoting a return to normal physiologic function. Stress-related disorders have become one of the major health concerns so that practitioners need preventive concepts and new medicines.

Used by healers for thousands of years, current practitioners are reviving adaptogen use to modulate individual responses to stress.

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