How rapidly do men's testosterone levels decline?

Mark Moyad
Generally speaking, there is a reduction in blood levels of total testosterone at a rate of about 1 percent per year after the age of 30 years. In fact, some researchers have used the term “andropause” (“andro” meaning male) to describe the slow loss of testosterone over decades. Unlike female menopause, which results from the rapid loss of estrogen over several years, andropause is a gradual process. Also dissimilarly, when men lose weight their testosterone levels generally increase, and when women lose weight their levels of estrogen slightly decrease. Seems odd, but it is true!
Dr. Moyad's Guide to Male Sexual Health: What Works and What's Worthless

More About this Book

Dr. Moyad's Guide to Male Sexual Health: What Works and What's Worthless

There is perhaps no medical topic that is discussed less than male sexual health. True that it is the basis of countless tasteless jokes, but seldom is the subject approached in a frank and...

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.

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.