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DHEA (3)

DHEA supplementation – specific health benefits for menopausal women

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In a previous article "DHEA – why it is especially important for menopausal women" I explained why DHEA is especially important for women than men, and even more so for peri- and postmenopausal women. In this article, I will cover specific health benefits of DHEA supplementation for menopausal women.
 
There are indications that women with lower DHEA levels are at higher risk for cardiovascular disease and mortality.[1, 2] In postmenopausal women, lower DHEA(S) levels are linked to higher cardiovascular mortality and all-cause mortality [3] and lower DHEA(S) levels are also associated with a 41% greater risk of stroke, regardless of other risk factors.[4] These observations are supported by experiments showing that treatment with DHEA reduces experimental atherosclerosis [5-7], improves blood vessel (endothelial) function [8-11], and has anti-inflammatory [12-15] and anti-oxidative effects.[8, 12, 16, 17] Notably, some of the anti-atherosclerotic effects of DHEA are mediated by DHEA on its own, and not via its conversion to estrogen.[18]
 
Because DHEA is the major source of estrogen and testosterone in post-menopausal women, this begs the question if not all post-menopausal women should supplement with DHEA? Several studies show that DHEA supplementation confers significant health benefits beyond mere relief of menopausal symptoms. Notable are its beneficial effects on the bone, vagina, skin and prevention of breast cancer.
 
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DHEA - does it have any beneficial effects beyond testosterone and estrogen action?

DHEA (dehydroepiandrosterone) is most known for being a pro-hormone which in the body gets converted to testosterone and estrogen. It is a long held view that DHEA exerts all its effects via conversion to testosterone and estrogen. However, recent studies show that DHEA also has several health promoting non-hormonal actions...

DHEA 101

DHEA is produced mainly by the adrenal cortex, and is rapidly sulfated by sulfotransferases into DHEA-S. DHEA and its sulfated form DHEA-S is the most abundant steroid (pro)hormone circulating in the blood stream.[1] The sulfated from of DHEA has a longer half-life in the blood and its levels remain stable throughout the day, are not altered significantly by the menstrual cycle. When getting a blood test for DHEA, the fraction that is routinely measured is therefore DHEA-S. In response to metabolic demand, DHEA-S is rapidly converted back to DHEA (e.g. is  hydrolyzed to DHEA by sulfatases).

DHEA levels decrease approximately 80% between ages 25 and 75 year.[2, 3] This large decline in DHEA spurred research interest in the possibility that aging related DHEA deficiency may play a role in the deterioration of physiological and metabolic functions with aging, and in the development of chronic diseases.

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DHEA supplementation in older adults helps reverse arterial aging

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When it comes to health promotion and longevity, DHEA is a supplement which deserves more attention than it has been getting.

DHEA levels (the main circulating form of DHEA in the bloodstream is DHEAS) decrease approximately 80% between ages 25 and 75 year.[1, 2]This large decline in DHEA has led to interest in the possibility that aging related DHEA deficiency may play a role in the deterioration in physiological and metabolic functions with aging, and in the development of chronic diseases.

In support of this, it has been reported that DHEA level is negatively correlated with mortality and risk of developing cardiovascular disease (CVD) (i.e. lower DHEA(S) levels are associated with higher mortality and CVD risk).[3-5]More recently it has been found that a steep decline or extreme variability over time in DHEA(S) levels is associated with higher mortality, more so than baseline DHEA(S) levels.[6]

Aging not only reduces DHEA(S) levels, but also results in an increase in arterial stiffness [7, 8], which is an independent predictor of cardiovascular disease (CVD) risk and mortality.[9-11]

It has been reported that DHEA levels are inversely associated with arterial stiffness (i.e. lower DHEA levels are associated with increased arterial stiffness. [7, 12, 13] Therefore, it is possible that DHEA replacement in older adults could reduce arterial stiffness, and thereby contribute to reduction in CVD and mortality...

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Dr. Pierce's Medical Organization Affiliations

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