what does testosterone do

What Is Testosterone?

Testosterone is a hormone found in the human body. It is responsible for the development of male sexual characteristics such as increased muscle mass, body hair and a deepened voice. Testosterone is produced mainly in the testicles and is responsible for regulating many of the body’s functions. It is also known to help men maintain muscle strength, prevent bone loss and regulate mood.

What Does Testosterone Do?

Testosterone plays an important role in the development and maintenance of male reproductive health. Testosterone production begins during early fetal development and continues throughout life, although it does decline with age. Generally speaking, testosterone plays a key role in male reproduction, libido and bone and muscle health.

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Testosterone and Reproductive Health

Testosterone is important for sperm production, which allows men to have children. The hormone is also associated with sex drive and erectile function, as well as with male fertility. Testosterone can also affect semen quality and motility, as well as prostate size and health.

Testosterone and Bone and Muscle Health

Testosterone is also important for body composition and muscle health. Testosterone helps promote muscle growth and strength, decreases body fat, increases bone density and reduces the risk for certain types of fractures. Testosterone also helps maintain muscle mass, strength and collagen production as men age.

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Testosterone and Mood

Testosterone also has an effect on mood. Low testosterone levels can lead to a decrease in endurance, motivation and confidence. Testosterone can also be beneficial for emotional regulation and well being, as it contributes to a sense of calmness and fulfillment.


Testosterone plays an important role in male reproductive health, libido and fertility, muscle strength and bone health, and emotional regulation. Low testosterone levels can lead to a decrease in libido, fatigue and emotional wellbeing. Men over the age of 40 are more likely to experience a drop in testosterone levels, and it is therefore important to maintain levels of testosterone in the body by eating a healthful diet and engaging in regular exercise.

See also  testosterone therapy

Keywords: Testosterone, Reproductive Health, Bone & Muscle Health, Mood, Libido, Fertility, Exercise.