Thursday, September 13 (HealthDay News)-A new survey shows that one in four men over the age of 30 Low testosterone At the level, only 1 in 20 men has clinical symptoms associated with such deficiency.
As men grow older, they are more likely to experience symptoms such as lack of libido and lack of libido. Erectile dysfunction As a result of low levels of testosterone, researchers explain.
Low testosterone It is defined as 300 ng / dL (nanograms per deciliter) of total testosterone and less than 5 ng / dL of free testosterone. Free testosterone is the amount of hormone that is not bound to other proteins.
Low testosterone Can show Androgen Deficiency when accompanied by Low libido, Erectile dysfunction, osteoporosis Also fracture, And two or more of: sleepy Obstruction, depression Poor mood, lethargy or physical fitness.
Andre B. Arauho, a research scientist and lead author at the New England Institute in Watertown, Massachusetts, said in a prepared statement, “Low testosterone levels mean many of men’s physiology. It affects the side. ” “This is especially important. aging The proportion of the male population in the United States can significantly increase the number of men suffering from androgen deficiency. “
Scientists at the New England Institute analyzed data from approximately 1,500 men enrolled in the Boston Community Health Survey. The study tracks people between the ages of 30 and 79 and summarizes data on factors such as testosterone, symptoms of hormone deficiency, and medications that may affect sex hormone levels.
About 24% of the men surveyed had low total testosterone levels and 11% had low levels of free testosterone. Many men had no symptoms associated with low testosterone.
About 5.6% of the men in this study suffered from symptomatic androgen deficiency. Older men were particularly prone: Over 18 percent of men over the age of 70 met this deficiency criterion.
Based on these results, researchers predict that by 2025 there could be as many as 6.5 million American men between the ages of 30 and 79 with symptomatic androgen deficiency. This is a 38 percent increase from the 2000 population estimate.
“This study did not assess whether men with symptomatic androgen deficiency were good candidates for testosterone therapy,” Araujo said. “To address the risks and benefits of testosterone therapy, we need a well-designed, randomized, placebo-controlled trial.”
This survey is available online and will be published in the November issue of. Journal of Clinical Endocrinology & Metabolism..
Source: Endocrine Society, News Release, September 6, 2007
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1 in 4 men over 30 have low testosterone
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