Cannabinoids are the derivatives of the cannabis plant, the most potent bioactive component of which is tetrahydrocannabinol (THC). The most commonly used drugs containing cannabinoids are marijuana, hashish, and hashish oil. These compounds exert their effects via interaction with the cannabinoid receptors CB1 and CB2. Type 1 receptors (CB1) are localised mostly in the central nervous system and in the adipose tissue and many visceral organs, including most endocrine organs. Type 2 cannabinoid receptors (CB2) are positioned in the peripheral nervous system (peripheral nerve endings) and on the surface of the immune system cells. Recently, more and more attention has been paid to the role that endogenous ligands play for these receptors, as well as to the role of the receptors themselves. So far, endogenous cannabinoids have been confirmed to participate in the regulation of food intake and energy homeostasis of the body, and have a significant impact on the endocrine system, including the activity of the pituitary gland, adrenal cortex, thyroid gland, pancreas, and gonads. Interrelations between the endocannabinoid system and the activity of the endocrine system may be a therapeutic target for a number of drugs that have been proved effective in the treatment of infertility, obesity, diabetes, and even prevention of diseases associated with the cardiovascular system. (Endokrynol Pol 2018; 69 (6): 705-719)

In a Polish population the ESR2 A allele is associated with GD with a strength comparable to polymorphisms of PTPN22 and CTLA4 CT60 loci (OR approximately 1.7). The association with ESR2 is found in both sexes and may be particularly strong among the DRB1*03-negative individuals.

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Graves' disease is an autoimmune disease. It accounts for 50-80% of cases of hyperthyroidism. Antibodies against the TSH receptor (TRAb) are responsible for hyperthyroidism (TRAB). The key role in monitoring and diagnosis of Graves' disease plays the level of hormones of free thyroxine and triiodothyronine. Helpful is an ultrasound of the thyroid scintigraphy which due to its functional character is both a valuable addition to morphological studies as well as plays an important role in the diagnosis and therapy in patients with Graves' disease. There is no perfect treatment for Graves' disease. The reason for this is the lack of therapy directed against primary pathogenic mechanisms. Currently available treatments need to be thoroughly discussed during the first visit as the patient's understanding of the choice of a treatment constitutes a vital role in the success of therapy. Graves' disease treatment is based on three types of therapies that have been carried out for decades including: pharmacological treatment anti-thyroid drugs, I131 therapy and radical treatment - thyroidectomy. The purpose of the treatment is to control symptoms and patient to return to euthyreosis. Treatment of Graves' disease is of great importance because if left untreated, it can lead to long-term harmful effects on the heart, bone and mental well-being of patients.