Your body's own hormonal system kicks back in just a few days after you get off the pill.

Researchers suggested that alcohol's effects on the hormonal or immunological systems might be involved.

The pituitary is responsible for almost all of the body's hormonal systems.

Messing with the body's hormonal system is bound to have side effects.

Hormones need specialized hormone receptors, for the hormonal system to work.

When performing the physical exam, the doctor may focus primarily on the nervous and hormonal systems.

Of particular interest is the relationship between environment and physiology and how the brain controls the fish's hormonal system.

Nevertheless, because the hormonal systems of men and women are so different, it would not be surprising if they had different effects on heart disease.

Thus, the strengthened hormonal system is an adaptation strategy of this bird.

Research has linked the body's immune response to a variety of hormonal systems.