The Dual Roles of Growth Hormone
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Growth hormone (GH), found in all of our bodies, is made up of a complex network of amino acids produced by the anterior pituitary gland and is responsible for growth, metabolism, and cell reproduction. Just like all processes of the human body, the role of the growth hormone is multifaceted and far-reaching.
As indicated by its name, the growth hormone’s primary responsibility is to stimulate growth in the human body. In essence, the growth hormone emitted from the pituitary gland, stimulates the liver and other tissues to in turn stimulate bone growth. Of course, this growth process continues only through the time that our bodies are growing. But the role of the growth hormone does not end when we reach our adult height.
Another role of the growth hormone involves our metabolism - controlling protein, carbohydrate, and fat metabolism. Its role in cell reproduction allows it stimulate the growth of muscle tissue. As adults, our lifestyle choices can have an enormous impact on the level of growth hormone produced. Diet, exercise, adequate sleep, and stress levels profoundly impact growth hormone and subsequently our ability to build muscle mass and metabolize fat.
Of course there are those diseases that result when the growth hormone can not be controlled and far too much is secreted on a continual basis. When this occurs in children, Giantism can result; growth is rapid and ongoing. Acromegaly effects adults and is often linked to pituitary tumors. Its result is also ongoing, rapid release of growth hormone.
Growth hormone production lessens significantly as we age – bone mass and muscle mass depletes and fat deposits increase, resulting in traditional signs of aging. Subsequently researchers have examined the role of growth hormone therapy on the process of aging. While studies have been conducted regarding the effect of growth hormone therapy on aging, there is little conclusive evidence of success and continued questions regarding safety.
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