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.
Although a deficiency of melatonin can cause insomnia, it can lead to other health conditions as well. Low melatonin levels can have a negative effect on the health of the immune system, can result in decreased bone density, might cause GERD, and might lead to a decrease in thyroid hormone.elatonin is a hormone which is secreted by the pineal gland. Its primary function is to help regulate the bodyâs circadian rhythm. Iâve discussed the circadian rhythm in the past with the hormone cortisol, as this hormone should be at the highest levels when we first wake up, and at the lowest levels at night.