Health care providers (HCPs) who want to get started with ZRT Laboratory need only take a few easy steps to begin using our saliva, dried blood spot and dried urine tests. Simply set up an account, order kits and then identify the patients who can benefit from hormone, neurotransmitter, heavy metal, and cardiometabolic testing. Best of all, when HCPs have questions about reports and treatment…


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Lithium is an element that, at the present time, is considered non-essential to the human body. However, it is getting a lot of attention as a therapy, and there are interesting reports of beneficial actions of lithium. You might have seen our blog by Dr. James Greenblatt or one of the NY Times articles mentioning lithium. It is also coming up with frequency because of increasing awareness on…


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ZRT has launched a month-long hormone assessment in dried urine called the Menstrual Cycle Mapping test. This is what some call the 28-day hormone test. In our profile, we test estrogen, progesterone, and LH levels throughout a month. This article tackles some frequent questions providers might have regarding the purpose of the testing and who the ideal patient is.…


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The menstrual cycle is a symphony of hormones coordinated to yield an egg and to prepare the uterus and breast tissue for pregnancy. For most women, pregnancy will only take place in a very small percentage of cycles. However, the monthly surge and fall of hormones starting in menarche and ending in menopause influences the brain, breast and uterus of women and may result in numerous symptoms…


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Is there anything more endearing than the photographs of your baby eating his or her first foods? Their faces squish-up, they are covered from head to toe, their tongues protrude to catch every bite or more often to try to get the revolting taste out of their mouths. Now, we parents are the ones squishing up our faces and showing huge grimaces of disgust at the latest report that our baby food is…


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If you come by ZRT on Halloween you’re likely to be greeted by a witch, vampire, zombie or other nightcrawler. We take our decorations and dressing up seriously around here, and finding people in costume processing your labs or taking your calls is par for the course. Laughing aside (and let me tell you, some costumes are hilarious) those who live their lives by night – on the graveyard shift – can…


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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." 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…


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I wanted to share a few of the studies using saliva testing that were published in the literature in 2016. Just a hint, if you want to search for articles on saliva testing, use pubmed.gov and search saliva estradiol (or progesterone, testosterone etc.). Be aware that saliva hormone testing is so standard in the research world that rarely is it mentioned in the titles of the papers. Over 310…


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The month of September is known for both menopause month and children’s cancer awareness month. Many people commonly recognize the first but not the second. I would just like to take a moment and talk about children’s cancer. This is not my typical blog about fun and the joy of science and research that I usually strive for. Don’t worry, I'll blog about the wonders of estrogen, thyroid, or…


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Have you seen the movie The Martian?  I highly recommend it. The premise is that an astronaut called Mark Watney goes with a team to Mars, gets left behind and has to survive. I love semi-disaster stories and even better when it's Matt Damon playing the main character. Now, according to the book, Watney had lots of vitamins and mineral supplements to supplement his diet. But if he hadn't had those…


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