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.



Margaret Groves

Margaret N. Groves, M.Phil., ELS is a scientific and technical writer for ZRT Laboratory. She researches the medical literature on topics relevant to ZRT testing products, contributes to the ZRT product information supplied to health care providers, and as part of the research team helps with writing up ZRT’s research studies for publication.


Recent Posts

Webinar Review: The Nuts & Bolts of Neurotransmitter Testing

Posted by Margaret Groves on Friday, 03 March

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ZRT's senior research scientist Dr. Kate Placzek presented a webinar about the neurotransmitter testing ZRT began offering last year.

Neurotransmitter testing is a natural progression of the wellness testing options that ZRT has developed and offered over the years, and in some ways encompasses many aspects of the testing in other areas such as steroid hormone and metabolite testing, adrenal and thyroid health assessment, cardio-metabolic parameters, and heavy metals.

She addresses these questions that are commonly asked by health care providers who call in to enquire about this testing.

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Endocrine-Disrupting Chemicals: What They Are & How To Avoid Them

Posted by Margaret Groves on Friday, 17 February

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As a hormone testing lab, ZRT understands the importance of a well-balanced endocrine system in maintaining overall health. Hormone balance is achieved through multiple feedback mechanisms, and when any part of the system is thrown out of whack by forces beyond its control, there is a knock-on effect on the rest of the body systems that are under endocrine control. Such forces can include extreme or chronic stress, or exposure to environmental toxins that enter the body through the air we breathe or in our diets. Substances in the environment that upset the endocrine system are known as endocrine-disrupting chemicals, or EDCs.

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Hormonal Contraceptives – Do They Increase Risk of Depression?

Posted by Margaret Groves on Saturday, 08 October

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There have been some articles going around the medical news reporting on a new Danish study [1] suggesting that hormonal contraception might increase risk of depression, and that previous studies may not have highlighted this link because they did not include women who stopped taking their birth control as a result of depressive symptoms. This study got around that problem by including in their survey women who had been using birth control at any time during the previous 6 months. So what is the fuss all about?

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Exercise – Good for What Ails your Brain

Posted by Margaret Groves on Wednesday, 17 August

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As the 2016 Olympic games play out in Rio, you might be feeling inspired to get moving yourself. While some sports admittedly look pretty dangerous, and we cringe at the sight of a cyclist skidding into the curb on a wet road and landing on her head, there are others that simply make us marvel at the agility and strength of the human body. For me, when I watch those swimmers cutting through the water at tremendous speed, I just want to get into a pool and see if I could really try to swim faster myself.

We’ve probably all heard by now that “sitting is the new smoking,” and that our health suffers greatly from inactivity. The human body was meant to be in motion at least for an hour or two a day, and this is known to keep the cardiovascular system tuned up as well as preventing excessive weight gain. But did you know that exercise affects levels of neurotransmitters in the body and can actually help you prevent or overcome disorders such as depression?

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