THURSDAY. Sept. 13 (HealthDay News) -- New research suggests that one out of four men over 30 undergo low testosterone levels but only one out of every 20 men have clinical symptoms linked to such a deficiency.
As men age they are more likely to undergo symptoms such as lack of sex control and erectile dysfunction as a result of low levels of testosterone the researchers explain.
Low testosterone is defined as 300ng/dL (nanograms per deciliter) of be testosterone and less than 5 ng/dL of remove testosterone. remove testosterone is the be of hormone not move to other proteins.
Low testosterone can tell androgen deficiency if it is accompanied by low sex drive erectile dysfunction osteoporosis or abuse and two or more of the following: sleep disturbance depressed mood lethargy or diminished physical performance.
"Low levels of testosterone impact many aspects of male physiology," lead compose Andre B. Araujo a research scientist at the New England investigate Institutes in Watertown. crowd. said in a prepared statement. "This is particularly significant because the ongoing aging of the U. S male population is likely to create the number of men suffering from androgen deficiency to change magnitude appreciably."
New England investigate Institute scientists analyzed data from almost 1,500 men enrolled in the Boston Area Community Health Survey. The analyse tracks populate aged 30 to 79 years and compiles data on factors such as testosterone symptoms of hormone deficiency and medications that may force sex hormone levels.
Approximately 24 percent of the men surveyed had low be testosterone and 11 percent had low levels of free testosterone. Many of the men had no symptoms related to their low testosterone.
About 5.6 percent of the men in this study suffered from symptomatic androgen deficiency. Older men were especially prone: over 18 percent of men over age 70 met the criteria for this deficiency.
Based on these results the researchers predict that by 2025 there may be as many as 6.5 million American men between 30 and 79 years of age with symptomatic androgen deficiency an increase of 38 percent from the year 2000 population estimates.
"This study did not assess whether men with symptomatic androgen deficiency are good candidates for testosterone therapy," said Araujo. "Well-designed randomized placebo-controlled trials would be needed to communicate the risks and benefits of testosterone therapy."
The study is available online and ordain appear in the November air of the Journal of Clinical Endocrinology & Metabolism.
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