But the only approved use is for people with demonstrated testosterone deficiencies.

It was approved in 1964 for testosterone deficiency in male patients.

"In younger men who have testosterone deficiencies," he said, "giving testosterone is not only desirable, it's very safe."

Men with testosterone deficiency can receive replacement therapy.

They did not feel passive or depressed or timid, as standard ideas of testosterone deficiency might predict.

Although potentially just a personal choice, in the presence of a large pituitary tumor, this is more likely due to testosterone deficiency.

Diabetes, metabolic syndrome, obesity, and high blood pressure have all been linked to testosterone deficiency.

Nevertheless, some doctors say testosterone deficiency is a real medical condition that needs treatment.

In addition to the abundance of growth hormones, the disorder causes testosterone deficiencies, which contributed to Sun's fatigue and weakness.

Steroids are still prescribed for men with serious testosterone deficiencies.