At the time, not much was known about sex hormones.

In both men and women, sex hormones alone did not significantly change their body composition.

The thing about sex hormones like estrogen is that you need balance.

These male sex hormones increase in both boys and girls during puberty.

The cancer cells produce and release a male sex hormone.

A sex hormone is one that regulates sexual changes in the body.

"Finally there are systematic studies on sex hormones and human behavior other than reproduction."

Women with low body fat often do not produce sufficient amounts of sex hormones.

But testosterone is after all a sex hormone, and many readers may want to know its effect on their sexual performance.

Estrogen is a female sex hormone necessary for many processes in the body.