- https://www.fightdynasty.com/companies/how-low-testosterone-affects-your-brain-overcoming-brain-fog/
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By the time they reach 15 to 16 years old, teen boys typically have a testosterone level of 100 to 1,200 ng/dL. Boys 12 or 13 years old should have a testosterone level of 7 to 800 ng/dL. At age 10, the normal range is 7 to 130 ng/dL.
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2026-04-03
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Updated 2026-04-03 12:19:53 +08:00