Hormones are intrinsically involved with processes affecting the maintenance of skin health, such as collagen content, skin lipid levels, elasticity, wound healing, glycoaminoglycan content, and facial hair patterns. A major culprit for the skin thinning, wrinkling, and dryness associated with aging is the decline in hormones such as estrogen and progesterone in women, and testosterone in…
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 N. Groves, M.Phil., ELS
Margaret N. Groves, M.Phil., ELS is a scientific and technical writer for ZRT Laboratory, with a background in biochemistry and cancer research. 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.
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Posts by Topic
- ADD and ADHD
- Adrenal and Cortisol
- Alzheimer's
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- Anxiety
- Arsenic
- Athletes
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- Bioidentical Hormones
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- Covid19
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- Endocannabinoid System
- Essential Elements
- estrobolome
- Estrogen
- Estrogen Dominance
- Estrogen Metabolism
- Fertility
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- gut microbes
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- hormones
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- myZRT
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- women
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Posts by Author
- Alyssa Burns Hill, PhD, MSc, FRSPH, MIHPE
- Amen Clinics
- Candace Burch
- Christina Cowger, MA, LMFT
- Dr. Alison McAllister
- Dr. Allison Smith
- Dr. Beth Baldwin
- Dr. David Zava
- Dr. Elise Schroeder
- Dr. Felice Gersh
- Dr. James Greenblatt
- Dr. Julie Verfurth
- Dr. Kate Placzek
- Dr. Paul Savage
- Dr. Peter Bongiorno
- Dr. Robert Zembroski
- Dr. Sanjay Kapur
- Dr. Sherry LaBeck
- Dr. Thomas Guilliams
- Dr. Zane Hauck
- Ingrid Edstrom, FNP, M.Ed
- Jessica Strom
- Jillian Harrington, PhD, HCLD
- Jim Paoletti, BS Pharmacy, FAARFM, FIACP
- Kori Wallace
- L. Kroon, Editor
- Lissa Gienty
- Margaret N. Groves, M.Phil., ELS
- Molly Lindquist
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- Pattie Ptak
- The ZRT Clinical Consultants
- Theodore Brandon
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- Tina Mattern
- Tracy Tranchitella, ND
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