Vermeulen, Alex 1927-2023

madman

Super Moderator

RIP
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Prolific man!

Way ahead of his time!


*When Prof. Alex Vermeulen from Gent/Belgium in the 1970s started his pioneering work on the decline of testosterone levels in aging men, his work seemed to most professionals only of theoretical interest (for review:1). But further studies have substantiated that, with age, a significant percentage of men over the age of 60 years have serum testosterone levels below the lower limits of normal for young adult men (aged 20–30 years) 2, 3. Now, 30–40 years later, the pathophysiological implications of this decline, sometimes amounting to outright testosterone deficiency, have become clearer






*This calculator was developed at the Hormonology department, University Hospital of Ghent, Belgium
 
Rare pic!
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Ghent University Faculty of Medicine and Health Sciences

Remarkable meeting this evening, 7 honorary deans, (from left to right) Prof Alex Vermeulen, Prof Marc Bogaert, Prof Denis Clement, Prof Paul Van Cauwenberge, Prof Jean Pannier, Prof Eric Mortier, and Prof Guy Vanderstraeten give course being a dean to dean Prof Peter Hoebeke. The faculty can rely on years of experience!





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About Alex Vermeulen​

Professor Alex Vermeulen died in Ghent on 20 January 2023. Alex Vermeulen was a brilliant medical practitioner with a long, successful career as chief physician of the University Hospital, professor at Ghent University and dean of his faculty.




On the occasion of Legacy Giving Day we zoom in on the 2012 bequest with usufruct to City of Ghent and the 2023 bequest to the Friends of the Museum from Professor emeritus dr. Alex Vermeulen. Prior to Vermeulen contacting the MSK in the summer of 2011, he had not previously attracted attention. In a letter to museum director Robert Hoozee at the time, he wrote about his ‘modest’ collection, yet listed some resounding names of Belgian and international artists that immediately aroused interest.


Over the past decade, the contacts between Vermeulen and the museum strengthened, allowing us to partake of his backgrounds, his pioneering professional career, his motives for collecting and his social altruism.
 

hCG Mixing Calculator

HCG Mixing Protocol Calculator

TRT Hormone Predictor Widget

TRT Hormone Predictor

Predict estradiol, DHT, and free testosterone levels based on total testosterone

⚠️ Medical Disclaimer

This tool provides predictions based on statistical models and should NOT replace professional medical advice. Always consult with your healthcare provider before making any changes to your TRT protocol.

ℹ️ Input Parameters

Normal range: 300-1000 ng/dL

Predicted Hormone Levels

Enter your total testosterone value to see predictions

Results will appear here after calculation

Understanding Your Hormones

Estradiol (E2)

A form of estrogen produced from testosterone. Important for bone health, mood, and libido. Too high can cause side effects; too low can affect well-being.

DHT

Dihydrotestosterone is a potent androgen derived from testosterone. Affects hair growth, prostate health, and masculinization effects.

Free Testosterone

The biologically active form of testosterone not bound to proteins. Directly available for cellular uptake and biological effects.

Scientific Reference

Lakshman KM, Kaplan B, Travison TG, Basaria S, Knapp PE, Singh AB, LaValley MP, Mazer NA, Bhasin S. The effects of injected testosterone dose and age on the conversion of testosterone to estradiol and dihydrotestosterone in young and older men. J Clin Endocrinol Metab. 2010 Aug;95(8):3955-64.

DOI: 10.1210/jc.2010-0102 | PMID: 20534765 | PMCID: PMC2913038

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