Abstract
Abstract The thyroid gland’s function is crucial in regulating numerous vital functions, significantly influencing physical and mental development. Iodine, an essential micronutrient, is required in moderate amounts for optimal thyroid gland function, as it prevents enlargement and promotes the production of thyroid hormones T4 and T3. Disruptions in these hormones impact overall health, leading to conditions such as thyroid enlargement, cognitive deficiencies, and increased risk of breast cancer. In Libya, several preventive procedures, including providing iodized salt, were implemented to combat iodine deficiency, yet the prevalence of thyroid diseases continues to rise. This study investigates the importance of thyroid hormones, the critical role of iodine intake and dietary factors, and the prevalence of thyroid disorders among both men and women in Tripoli, Libya. In a randomly selected hospital, 900 visitors of various ages were assessed for T4, T3, and TSH levels using Chemiluminescence Immunometric Assays (CIA). The results indicated elevated thyroid hormone levels in 7.3% of women and 6.4% of men, while 0.8% of women and 0.2% of men exhibited low TSH levels. Notably, women demonstrated a 5 to 10 times higher susceptibility to thyroid issues compared to men, although the reasons for this disparity remain uncertain. Factors such as iodine intake, the estrogenic hormonal influence, and genetic variations affecting thyroid hormone synthesis may play contributing roles. In conclusion, enhancing the diagnosis and management of thyroid disorders in Libya requires targeted awareness campaigns, robust research endeavors, and collaborative healthcare initiatives to improve health outcomes and quality of life. Keywords. Hyperthyroidism, Hypothyroidism, Thyroid Gland Diseases, Hashimoto's Thyroiditis, Iodine.