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Man lifting weights and thinking about testosterone
Man lifting weights and thinking about testosterone

Testosterone

Testosterone is the primary sex hormone in people assigned male at birth (AMAB). Testosterone hormone levels play an important role in sexual development, fat distribution, muscle mass, sex drive, and more. Abnormal testosterone levels can have an impact on everyone’s health, regardless of their assigned sex at birth. Learn more about testosterone in these articles written and reviewed by medical experts, and find out more about our Testosterone Test.

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