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Is Testosterone Therapy Good Or Bad For The Heart? Or Is It The Estradiol?

4 years, 1 month ago

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Posted on Apr 09, 2020, 3 p.m.

Article courtesy of: T. Hertoghe, MD, author of “Testosterone, the Therapy for Real Gentlemen”

In recent years, a few studies have shown adverse effects of testosterone therapy on the heart: higher risks of coronary heart disease, myocardial infarction, or stroke. 

A man’s brain, arteries, and heart need testosterone

The findings of adverse cardiovascular effects of testosterone therapy is in sharp contrast with the information emerging from scientific studies on testosterone. A man’s heart, arteries, and brain need testosterone to function well. Testosterone is possibly the most important hormone for a man’s muscles. The heart is made of striated muscle fibers, and the arteries, also those that go through the brain, are mainly made of smooth muscle cells with a thin layer of endothelial cells inside, all responsive to testosterone.

Only a few low-quality studies show adverse effects of testosterone therapy on the brain and heart 

The number of studies that show adverse cardiovascular effects of testosterone therapy is very small in comparison with the much greater number of studies showing protective effects: 5 “negative” studies (including one study that shows a mixture of beneficial and adverse effects on coronary arteries) compared to 17 studies showing neutral effects (no adverse effects) and 58 published trials that show cardio- and cerebrovascular protection of testosterone therapy. Furthermore, in approximately 100 studies, high testosterone levels are associated with cardiovascular protection, whereas it is difficult to find a single study showing the opposite. Moreover, it is worth noticing that the studies that show cardiovascular adverse effects of testosterone therapy present important biases and quality errors that make them less trustable. 

Excessive conversion of testosterone to estradiol may be the explanation behind the unexpected unfavorable results

There might be some truth behind the unexpected adverse effects of testosterone found in the five studies. During testosterone therapy some of the testosterone converts into the female hormone estradiol. In some men, excessive amounts of testosterone can convert to estradiol. Men with high estradiol levels tend to develop significantly more atherosclerosis, coronary heart disease, arterial hypertension, and stroke. When estradiol levels become excessive, the estradiol tends to block testosterone receptors, blocking as a result the protective effect of testosterone on the cardiovascular system. If this is the real explanation for why testosterone therapy may cause cardio and cerebrovascular problems in some men, then all studies that examine the effect of testosterone therapy on men should include a measurement of the serum estradiol levels. In fact, because of the risks presented by high estradiol levels in men, the follow-up of any testosterone treatment should include regular measurements of estradiol next to that of testosterone and the other important tests related to testosterone.

To access the relevant data on testosterone deficiency, testosterone therapy, and their association with cardiovascular disease on the International Hormone Society website, in the Evidence-based hormone therapies section (available soon).

To get more references and practical information on testosterone therapy, read my 600-page book for physicians, “Testosterone, the Therapy for Real Gentlemen”.

To get practical and in-depth training on testosterone therapy and come attend the hormone therapy workshop in Orlando on August 21-22, 2020. Check out the Evidence-based hormone therapy workshop here, which will be available at the A4M 28th Annual Spring Congress being held in Orlando, Florida on August 20-22, 2020.

Author Bio:

Thierry Hertoghe, MD is the President of the International Hormone Society. Born in 1957 and he practices lifespan/reversing aging medicine and hormone therapy. He represents the fourth consecutive generation of physicians who have worked in the field of hormone therapy, where he practices medicine with a team of experienced doctors in Brussels. He is an internationally known authority in medical therapies oriented to correct hormone deficiencies, reduce aging or even in some aspects reverse aging and possibly extend lifespan. He is the Author of various well-referenced medical books, including the international bestseller Hormone handbook and the Atlas of endocrinology for hormone therapy, Testosterone, the therapy for real gentleman, the Textbook of Reversing physical aging (volume 1: the head and the senses),  the Textbook of lifespan and anti-aging medicine, the Textbook of Nutrient therapy, the Hormone Solution, Passion, sex, and long life, and the Oxytocin adventure, among others.

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This article is not intended to provide medical diagnosis, advice, treatment, or endorsement

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