open access

Vol 65, No 3 (2014)
Original papers
Published online: 2014-06-27
Submitted: 2014-06-27
Accepted: 2014-06-27
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Relationship between sexual function, body mass index and levels of sex steroid hormones in young men

Sylwia Jastrzębska, Renata Walczak-Jędrzejowska, Edyta Kramek, Katarzyna Marchlewska, Elżbieta Oszukowska, Eliza Filipiak, Krzysztof Kula, Jolanta Słowikowska-Hilczer
DOI: 10.5603/EP.2014.0028
·
Endokrynologia Polska 2014;65(3):203-209.

open access

Vol 65, No 3 (2014)
Original papers
Published online: 2014-06-27
Submitted: 2014-06-27
Accepted: 2014-06-27

Abstract

Introduction: In older men, sexual disorders may be the result of a decrease in testosterone and an increase in sex hormone binding globulin (SHBG) serum levels. Although obesity may enhance the decline of testosterone, it is also the cause of metabolic disorders, which are additional risk factors of erectile dysfunction. The purpose of this study was to investigate whether elevated body weight is associated with decreased serum testosterone concentrations and reduced sexual function in young men.

Material and methods: Data on general health, medication, depressive symptomatology and sexual life was obtained from 136 men aged 20–49 years. Blood levels of LH, total testosterone (TT), dehydroepiandrosterone sulfate (DHEA-S), oestradiol, SHBG, total cholesterol, LDL- and HDL-cholesterol, and triglycerides were determined. Body mass index (BMI), waist to hip ratio (WHR) and free testosterone index (FTI) were calculated.

Results: A significantly reduced occurrence of sexual fantasies, morning erections and erectile function scores was observed in the oldest group compared to the youngest men with normal BMI, although orgasmic function was unchanged. A significant decrease in TT serum levels was observed in obese 30-year-olds compared to men with normal BMI, while in obese 40-year-olds decreased LH and SHBG levelswere also found. No differences in the levels of lipids and sexual achievements were found among men with different BMI. However, erectile function and morning erections significantly negatively correlated with age, BMI and WHR, and positively with FTI, but not with other studied hormones and lipids.

Conclusions: In young men, obesity can lead to a deterioration of erectile function as a result of lower testosterone levels as the only reason.

Abstract

Introduction: In older men, sexual disorders may be the result of a decrease in testosterone and an increase in sex hormone binding globulin (SHBG) serum levels. Although obesity may enhance the decline of testosterone, it is also the cause of metabolic disorders, which are additional risk factors of erectile dysfunction. The purpose of this study was to investigate whether elevated body weight is associated with decreased serum testosterone concentrations and reduced sexual function in young men.

Material and methods: Data on general health, medication, depressive symptomatology and sexual life was obtained from 136 men aged 20–49 years. Blood levels of LH, total testosterone (TT), dehydroepiandrosterone sulfate (DHEA-S), oestradiol, SHBG, total cholesterol, LDL- and HDL-cholesterol, and triglycerides were determined. Body mass index (BMI), waist to hip ratio (WHR) and free testosterone index (FTI) were calculated.

Results: A significantly reduced occurrence of sexual fantasies, morning erections and erectile function scores was observed in the oldest group compared to the youngest men with normal BMI, although orgasmic function was unchanged. A significant decrease in TT serum levels was observed in obese 30-year-olds compared to men with normal BMI, while in obese 40-year-olds decreased LH and SHBG levelswere also found. No differences in the levels of lipids and sexual achievements were found among men with different BMI. However, erectile function and morning erections significantly negatively correlated with age, BMI and WHR, and positively with FTI, but not with other studied hormones and lipids.

Conclusions: In young men, obesity can lead to a deterioration of erectile function as a result of lower testosterone levels as the only reason.

Get Citation

Keywords

men; sexual function; testosterone; erectile dysfunction; obesity

About this article
Title

Relationship between sexual function, body mass index and levels of sex steroid hormones in young men

Journal

Endokrynologia Polska

Issue

Vol 65, No 3 (2014)

Pages

203-209

Published online

2014-06-27

DOI

10.5603/EP.2014.0028

Bibliographic record

Endokrynologia Polska 2014;65(3):203-209.

Keywords

men
sexual function
testosterone
erectile dysfunction
obesity

Authors

Sylwia Jastrzębska
Renata Walczak-Jędrzejowska
Edyta Kramek
Katarzyna Marchlewska
Elżbieta Oszukowska
Eliza Filipiak
Krzysztof Kula
Jolanta Słowikowska-Hilczer

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