A guy in his 20s with healthy genes and no chronic ailments will have a higher testosterone level than a 55-year-old with ongoing medical issues. Your GP may also order a blood test to measure your testosterone levels. Several long-term health concerns have been links to untreated low testosterone levels. Dabaja estimates that about a quarter to a third of men over 60 will experience symptoms from low testosterone, and the percentage might increase with age. Severely low testosterone levels, whether age-related or not, can lead to many clinical morbidities, Ghayda says. A wide variety of symptoms Are changes or symptoms that Most women actually have That I think women should be However, the optimal amount of testosterone is far from clear. As a result, there is some controversy about which men should be treated with supplemental testosterone. Women may have a testosterone deficiency due to diseases of the pituitary, hypothalamus or adrenal glands, in addition to removal of the ovaries. Testosterone may stimulate the prostate gland and prostate cancer to grow. One treatment available for many of these problems is spironolactone, a special type of diuretic (water pill) that blocks the action of male sex hormones. At the time of puberty in males (usually starting around age 11, but happening as early as 9 years and as old as 14 years), testosterone levels shoot up from childhood levels.6,7 Knowing the range of what is considered normal or healthy at various ages can help you and your healthcare provider better understand your hormone health. While levels below 300 ng/dL are considered clinically low total testosterone, McDevitt says that symptoms can appear even in a healthy range. McDevitt says she sees older men who live a healthy lifestyle in their fifties who have the testosterone levels of a man in his thirties. A combination of age, genetics, and pre-existing medical conditions determines your testosterone levels. A "feedback loop" closely regulates the amount of hormone in the blood. They travel from one organ or another place in the body, usually through the bloodstream, and affect many different bodily processes. Learn all about the sex hormone here, including its primary benefits.