In 90% of adults, growth hormone deficiency is a result of benign (non-cancerous) tumors called pituitary adenomas, commonly diagnosed in patients in their 30s or 40s. Rare causes of adult GHD include diseases such as sarcoidosis, tuberculosis, histiocytosis, and hemochromatosis (iron overload).
Dr. Jesse Stoff (M.D.). Itâs also important to note that no hormone works in isolation from other hormones; they all function within a complex, subtle web of interconnectedness. Reference: Dr. John Lee Many hormones have an effect on the immune system, disease and each other.ee Immune 101. Fast Facts. 1  An imbalance in thyroid and adrenal hormones, testosterone, the estrogenâs (estrone, estradiol, estriol), and progesterone can affect the immune system. 2  Our chemical environment (xenoestrogens) and nutrition are both contributing factors to hormone imbalance.
These hormones, in turn, travel to different tissues and regulate various bodily functions, such as metabolism, growth and sexual function. The immune system is the body's defense against bacteria, viruses and other pathogens that may be harmful.It includes lymph nodes, the spleen, bone marrow, lymphocytes (including B-cells and T-cells), the thymus and leukocytes, which are white blood cells.he immune system is the body's defense against bacteria, viruses and other pathogens that may be harmful. It includes lymph nodes, the spleen, bone marrow, lymphocytes (including B-cells and T-cells), the thymus and leukocytes, which are white blood cells.