The Effect of Heat Stress on A Number of Thyroid Gland Functions Among Workers in A Number of Occupations

Abstract

This study was conducted to investigate the effect of heat stress on thyroid gland functions among workers in some occupations exposed to heat stress. The study included 100 males working in occupations exposed to heat stress in the city of Kirkuk, and they were distributed into four groups according to the profession in which they work by 25 males for each group (Group A: It included bakers , group B: included isogam workers , group C: included blacksmiths and group D: included construction workers), in addition to the control group, which included 20 males who do not work in the field of occupations exposed to heat stress. The study included estimation of the concentrations of Thyroid-Stimulating Hormone (TSH), Triiodothyronine (T3) and Tetraiodothyronine (T4). The results showed There were no significant differences (p ≤ 0.05) in the concentration of TSH, T3 and T4, in the four groups compared to the control group.