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.

How to Convert Patients to BHRT from Conventional Therapies

Posted by Jim Paoletti on Thursday, 23 March

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Practice Takeaway: 

I always try to taper the estrogen dose down over a period of 2-6 months depending on the individual’s difficulty with withdrawal symptoms. Once I have the patient on a lower dose (Premarin 0.3 mg or Estrace 0.25 mg every other day at the most), I will switch over to a bi-est consisting of 50% estradiol and 50% estriol.

The reason for this is, if you stop the estrogen abruptly or decrease the dose too quickly, the patient can experience severe withdrawal symptoms of estrogen deficiency. 

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Testosterone Replacement Therapy: Ensuring an Accurate Dose!

Posted by Jim Paoletti on Thursday, 07 July

scientists_deciding.jpgTestosterone replacement therapy has the potential to drastically improve quality of life of those who need it. However, many men who begin topical testosterone are given too much of the hormone.

Explanations for this erroneous tendency are rooted in incorrect dosing principles that have been established on false assumptions, misconceptions, invalid conclusions and aggressive marketing instead of physiology and science.

Why are testosterone replacement standards and prescribing processes so frequently misguided? 

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Menopause – Is It All In Your Head?

Posted by Dr. Kate Placzek on Friday, 03 June

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Estrogen. 

We've heard Dr. Zava call it the "angel of life, and the angel of death." Too much can be hazardous. Too little can be problematic also. 

Not many people realize this, but estrogen plays a role in more bodily functions than just reproduction. In fact, estrogen has many important functions in the brain. 

Studies show that decreasing levels of estrogen can cause two of the most common perimenopause symptoms hot flashes and mood fluctuations. Curious how this happens? Read on to learn the details of this biochemistry. 

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New Research Shows Natural Progesterone Can Help Treat Breast Cancer (Part 2)

Posted by L. Kroon, Editor on Friday, 11 December

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This article is republished courtesy of The Official Website of John R. Lee, M.D. If you missed part one of the article, read it here.

A Recipe for Beating (and Preventing) Breast Cancer

The latest research on natural progesterone and breast cancer clearly indicates how important it is for women to maintain healthy, normal levels of progesterone that are in proper balance with estrogen. Doing so could not only increase many womens’ chances of recovering from breast cancer – as the latest research indicates – but could also help them to avoid getting breast cancer in the first place.

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