How does testosterone affect a man's sex drive?

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While testosterone isn't only about your sex drive, it's a big part of the equation. Testosterone prompts the growth of genitals at puberty and drives reproduction, says Robert Brannigan, a urologist at Northwestern Memorial Hospital and associate professor of urology at Northwestern University Feinberg School of Medicine. Without it your penis can't operate and your testicles can't produce sperm. Low testosterone causes erectile dysfunction, in part, by dampening lusty thoughts and the desire to put them into action. If you have low testosterone, sex holds as much appeal as mowing the lawn.

Continue Learning about Endocrine System

Endocrine System

Your endocrine system works with your nervous system to control important bodily functions. The endocrine systems responsibilities include regulating growth, sexual development and function, metabolism and mood. The endocrine syst...

em also helps give your body the energy it needs to function properly. Endocrine glands secrete hormones into the bloodstream. Hormones are considered chemical messengers, coordinating your body by transferring information from one set of cells to another. Your endocrine system health can be affected by hormone imbalances resulting from impaired glands. A hormone imbalance can cause problems with bodily growth, sexual development, metabolism and other bodily functions. Endocrine system diseases or conditions include diabetes, growth disorders and osteoporosis.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.