Published on: 5/6/2025
Low testosterone can make it harder for men to concentrate and focus because this hormone helps keep the brain sharp and active.
Testosterone is not only important for building muscles and energy but also for helping the brain concentrate and think clearly. When testosterone levels are low, some men notice that they have trouble keeping their focus, remembering things, or processing information as quickly as before. This is because testosterone acts like fuel for brain function, supporting memory and attention. Lower levels of testosterone can mean that the brain gets less of this fuel, which may slow down mental processes and affect clarity of thought. Research has shown that men with low testosterone sometimes experience more difficulty with concentration and may feel foggier or less alert than usual. In some cases, treatments that boost testosterone have helped improve memory, focus, and overall cognitive performance. However, it's also important to remember that many factors, like stress or sleep issues, can affect concentration. If you notice changes in your focus or thinking, it’s a good idea to talk with a doctor who can review your symptoms and decide whether low testosterone or another factor might be contributing to these challenges.
(References)
Beauchet O. Testosterone and cognitive function: current clinical evidence of a relationship. Eur J Endocrinol. 2006 Dec;155(6):773-81. doi: 10.1530/eje.1.02306. PMID: 17132744.
Jung HJ, Shin HS. Effect of Testosterone Replacement Therapy on Cognitive Performance and Depression in Men with Testosterone Deficiency Syndrome. World J Mens Health. 2016 Dec;34(3):194-199. doi: 10.5534/wjmh.2016.34.3.194. Epub 2017 Jan 23. PMID: 28053949; PMCID: PMC5209560.
Hua JT, Hildreth KL, Pelak VS. Effects of Testosterone Therapy on Cognitive Function in Aging: A Systematic Review. Cogn Behav Neurol. 2016 Sep;29(3):122-38. doi: 10.1097/WNN.0000000000000104. PMID: 27662450; PMCID: PMC5079177.
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