For example, studies have reported that alcohol abuse can lead to disturbance of the body’s vital system, the endocrine system, which in turn was related to the nervous system, the key to controlling the flow of messages between the body’s cells and organs, and that disturbance between the two can lead to disruption of many endocrine hormones in the body, such as pituitary hormones, thyroid hormones and growth hormones. Here, GH1 is linked to alcohol abuse.