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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Examining the "Warrior Gene" - MAOA & Aggression

Posted by Dr. Kate Placzek on Friday, 02 June

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Aggression is deeply rooted in our genetic foundation. Yet it is a double-edged sword: on one side, aggression communicates dominance, an exaggerated hostile manifestation and a willful attempt to harm. On the other, aggression is innate and essential to the human condition, even instrumental to our survival as a species for attainment of resources, determent of competitors, and organization of social hierarchies. 

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Finally Focused: Mineral Imbalances & ADHD (Part 2: Magnesium Deficiency)

Posted by Dr. James Greenblatt on Thursday, 25 May

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In part 1 of this series, we discussed the importance of correcting trace mineral imbalances of copper and zinc to reduce behavioral symptoms and improve medication efficiency in children with ADHD. There is another nutrient that should be considered by all healthcare professionals, parents, and those struggling with ADHD: magnesium. Magnesium is a macromineral required for hundreds of the body's biochemical reactions including protein synthesis, muscle and nerve function, blood glucose control, bone development, DNA synthesis, and glutathione synthesis.

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L-Theanine in Green Tea Stimulates Neurotransmitter Production & Reduces Anxiety

Posted by Dr. Kate Placzek on Friday, 19 May

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Capable of generating higher consciousness, the human brain is truly impressive in its complexity. The brain not only controls how we feel and what we think, but also manages all aspects of our health. To understand the fundamentals of a healthy brain, we ought to first take the time to understand how it works.  In so many ways, our understanding of brain function evolved from studies on electricity.  

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