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 Supplement with Vitamin D & Melatonin after Melanoma

Posted by Lissa Gienty on Thursday, 04 May

Before and after melanoma removal

Quick Takeaway: Studies suggest high blood levels of 25-OH vitamin D may prevent melanoma [1] and appropriate D levels may affect the prognosis in both primary [2] and metastatic melanomas. [3] Keep your levels in blood between 50-80 ng/dL.

Additionally, melatonin and its metabolites protect the skin from sun and help guard the DNA there when faced with the mixture of cancer-inducing ultraviolet rays and oxidation. 

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Collagen - A Primary Cause of Wrinkles & Aging Skin

Posted by Dr. Julie Verfurth on Friday, 31 July

Person with aging skin next to child with young skinOne of the most common signs associated with advancing age is wrinkling, thinning, and sagging of the skin.

Several different internal and external processes can contribute to these signs. However, one of the main culprits responsible for the seemingly unavoidable loss of skin vitality that occur with age is the loss of collagen. 

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Have Persistent Skin Problems? Think Hormones

Posted by Margaret Groves on Thursday, 10 April

mature women smoothing wrinkled skin

It certainly isn't news that hormones are involved in skin health. But it may be news that effects of declining estrogen levels are more obvious on the skin of the face than elsewhere on the body. 

How so? Read on.

Lower Hormone Levels = Lower Skin Vitality

Women and their doctors have known for a long time that the decline in hormone levels as we age has a negative impact on skin properties, and we typically see skin thinning, wrinkling, discoloration, and dryness. This is because hormones are intrinsically involved with maintaining collagen content, skin lipid levels, elasticity, wound healing, and glycosaminoglycan content. Not only do hormones act at prolific receptor sites throughout the skin, but also several cellular components of skin including the sebaceous glands, fibroblasts, sweat gland cells, subcutaneous fat cells, and epidermal keratinocytes actively produce androgens and estrogens for local use.

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Skin Vitality Tests Uncover the Roots of Persistent Skin Issues

Posted by Candace Burch on Wednesday, 09 April

mother and daughter applying makeupDiet, stress, sleep loss and sun damage are several obvious factors that influence how skin looks and feels over time. Far less obvious - and often overlooked - is the hormonal connection that is so vital to youthful skin.

Popular cosmetic cover-ups and expensive anti-aging creams that work on the surface don't get to the root of persistent skin issues and may even contribute to the problem.

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