For example, a hormone called transforming growth factor beta can stop cell division.

High insulin levels increase the production of male hormones called androgens.

This is caused by the release of a hormone called oxytocin in the body.

It is changed in the body to a hormone called androstenedione.

They may also take drugs that stop male hormones called androgens.

Body clock sleep problems have been linked to a hormone called melatonin.

This hormone, called triiodothyronine or T3, is produced by the thyroid.

Some breast cancers are made to grow faster by a natural hormone called estrogen.

This test checks your level of a hormone called calcitonin as a way to help find out if you have cancer.

It can cause higher than normal levels of a male hormone called androgen.