Please use this identifier to cite or link to this item: https://doi.org/10.1038/aja.2010.121
Title: The moderating impact of lifestyle factors on sex steroids, sexual activities and aging in Asian men
Authors: Goh, V.H.
Tong, T.Y. 
Keywords: age
Asian men
duration
physical exercise
sex hormones
sexual activities
sleep lifestyle factors
Issue Date: Jul-2011
Citation: Goh, V.H., Tong, T.Y. (2011-07). The moderating impact of lifestyle factors on sex steroids, sexual activities and aging in Asian men. Asian Journal of Andrology 13 (4) : 596-604. ScholarBank@NUS Repository. https://doi.org/10.1038/aja.2010.121
Abstract: The present study sought to evaluate the relative associations of exercise, sleep and other lifestyle habits with aging, sex hormones, percent body fat (%BF) and sexual activities in men living in the community. A better understanding of this complex interrelationship is important in helping the formulation of modalities for a holistic approach to the management of aging men. The results showed that age is a major determinant for many physiological parameters, including sleep, hormonal and metabolic parameters, some lifestyle factors and sexual activities. Testosterone (T), bioavailable testosterone (BioT) and dehydroepiandrosterone sulphate (DHEAS) concentrations decreased with age, while estradiol (E2), sex hormone-binding globulin (SHBG) and %BF increased with age. In addition, there exist intricate associations among hormonal and lifestyle factors, %BF and age. High-intensity exercise and longer duration of sleep were associated with higher concentrations of T and BioT. T was shown to be associated positively with men who were engaged in masturbation. DHEAS was associated with men wanting more sex and with good morning penile rigidity. Older Singaporean men tended to sleep for shorter duration, but exercised more intensely than younger men. Coital and masturbation frequencies decreased with age, and a significantly greater number of younger men were engaged in masturbation. Relationship between the partners is a key determinant of sexuality in men. It appears that T may have a limited, while dehydroepiandrosterone (DHEA) have a greater role than previously suggest, as a motivational signal for sexual function in men. Both biological and psychosocial factors interact with each other to influence sexual functions in men. Hence, a biopsychosocial approach may be more appropriate for a more lasting resolution to sexual dysfunctions in men. © 2011 AJA, SIMM & SJTU. All rights reserved.
Source Title: Asian Journal of Andrology
URI: http://scholarbank.nus.edu.sg/handle/10635/127008
ISSN: 1008682X
DOI: 10.1038/aja.2010.121
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