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Is obesity linked to low testosterone?

ANSWER

Obesity and low testosterone are tightly linked. Obese men are more likely to have low testosterone. Men with very low testosterone are also more likely to become obese.

Fat cells metabolize testosterone to estrogen, lowering testosterone levels. Also, obesity reduces levels of sex hormone binding globulin (SHBG), a protein that carries testosterone in the blood. Less SHBG means less free testosterone.

Losing weight through exercise can increase testosterone levels. 

From: Low Testosterone and Your Health WebMD Medical Reference

SOURCES:

Mulligan, T. , 2006; vol 60: pp 762-769. International Journal of Clinical Practice

WebMD Health News: "Low Testosterone Tied to Poor Health."

Karen Herbst, MD, PhD, assistant professor in medicine, University of California, San Diego.

Medscape: "Low Testosterone Levels Linked With Higher Risk for Depression."

WebMD Medical Reference: "Atherosclerosis and Erectile Dysfunction."

Grossmann, M. , 2008; vol 93: pp 1834-40. Journal of Clinical Endocrinology & Metabolism

Kapoor, D. , 2008; vol 25: pp 357-69. Drugs & Aging

Kupelian, V. , 2006; vol 91: pp 843-50. Journal of Clinical Endocrinology & Metabolism

Spark, R. , 2007; vol 8: pp 467-471. Current Urology Reports

Fukui, M. , 2007; vol 3: pp 25-31. Current Diabetes Reviews

Fukui, M. , 2003; vol 26: pp 1869-1873. Diabetes Care

Bhasin, S. , 2003; vol 26: pp 1929-1931. Diabetes Care

Grundy, S. , 2004; vol 109: pp 433-438. Circulation

Bhasin, S. , 2006; vol 91: pp 1995-2010. Journal of Clinical Endocrinology and Metabolism

Reviewed by Sabrina Felson on February 11, 2019

SOURCES:

Mulligan, T. , 2006; vol 60: pp 762-769. International Journal of Clinical Practice

WebMD Health News: "Low Testosterone Tied to Poor Health."

Karen Herbst, MD, PhD, assistant professor in medicine, University of California, San Diego.

Medscape: "Low Testosterone Levels Linked With Higher Risk for Depression."

WebMD Medical Reference: "Atherosclerosis and Erectile Dysfunction."

Grossmann, M. , 2008; vol 93: pp 1834-40. Journal of Clinical Endocrinology & Metabolism

Kapoor, D. , 2008; vol 25: pp 357-69. Drugs & Aging

Kupelian, V. , 2006; vol 91: pp 843-50. Journal of Clinical Endocrinology & Metabolism

Spark, R. , 2007; vol 8: pp 467-471. Current Urology Reports

Fukui, M. , 2007; vol 3: pp 25-31. Current Diabetes Reviews

Fukui, M. , 2003; vol 26: pp 1869-1873. Diabetes Care

Bhasin, S. , 2003; vol 26: pp 1929-1931. Diabetes Care

Grundy, S. , 2004; vol 109: pp 433-438. Circulation

Bhasin, S. , 2006; vol 91: pp 1995-2010. Journal of Clinical Endocrinology and Metabolism

Reviewed by Sabrina Felson on February 11, 2019

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Is metabolic syndrome linked to low testosterone?

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