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.

Is Sweating a Good Bet for Heavy Metal Detox?

Posted by Ted Zava on Thursday, 08 March


A couple years back, I wrote a blog about iodine deficiency in athletes resulting from excessive sweat loss.

Later, while studying the kinetics of the iodine loading test which involves taking a 50-mg dose of iodine and collecting urine for 24 hours, I investigated the excretion of iodine in sweat along with urine.

Surprisingly iodine levels in sweat tracked urine iodine excretion over a period of 3 days. The goal was to show that the loss of iodine through sweat can represent a significant portion of the 50-mg dose, something the creators of the Iodine Loading Test had not accounted for.

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Collection Timing Matters for Urine Testing

Posted by Dr. Kate Placzek on Friday, 02 March


Urine is rapidly becoming the preferred medium for neurotransmitter testing to ensure objective neurobiological assessment. This is because a) urine is the primary route of peripherally-produced neurotransmitter elimination; and b) it is non-invasive and cost-effective. This blog takes a look at how dried urine testing provides a superior advantage over standard liquid urine collection methods.

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Norway, for the win!

Posted by Dr. Allison Smith on Friday, 23 February


Amidst all the hullabaloo about norovirus in the Olympic village, doping in the Russian curling community, and wipeouts of truly epic proportions, the 2018 Games have certainly elevated the entertainment quotient. Norway quietly tops the list for Olympic medals in Pyeongchang this year and as a team, has steadily stepped up their game every 4 years since 2010 which for me raises the question: What can we learn from the Norwegians? 

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Heart Healthy Holiday Recipes for Your Valentine

Posted by ZRT Laboratory on Wednesday, 14 February


If you need one more recipe idea to put the finishing touches on your special valentine's dinner celebration, or just want a few extra healthy recipes to try, the ZRT marketing team has put together a short list of options that will make your loved one's heart happy.


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