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Forty-four patients who had rheumatoid arthritis were evaluated clinically and by laboratory tests. Twenty-two patients received zinc sulphate capsule (50 mg/day) plus standard treatment, while twenty-two patients received placebo and standard treatment. All th1e patients were evaluated one month later. Those who received zinc therapy revealed significant improvement in both clinical and laboratory tests, in comparison with those who received placebo therapy.

White blood cells are the fundamental viable defense barrier in the body immune system against foreign bodies such as bacteria parasites viruses. All types of leukocytes have the ability to produce reactive oxygen species such as singlet oxygen 1 O 2 , super oxide. O 2 , hydroxyl radical OH and hydrogen peroxide H 2 O 2 in the process of Phagocytosis and respiratory burst. When leukocytes exhibit respiratory burst, this process will cause light emitting and this will called Chemiluminescence (CL) .The emitted light is very weak and requires some materials to increase the light intensity for detection. Chemiluminescence (CL) is a new technique used in this study to find out the effect of gamma rays on the white blood cells, as used Luminol to increase the detection of light intensity. Gamma ray will produce free radicals from the excitation reactions with the materials. The somatic damage of radiation may be tolerated if whole body exposure was in a low rate and extended over a long period of time. Sensitivity, resistance and reactive activity of White blood cells (WBCs) will react differently to gamma radiation according to their characteristics and body repair mechanisms. Gamma ray doses have been studies to see it is effect on control and test blood cell samples. This was done under same PH. This will make changing in the CL values.

BACKGROUND: Workers who are exposed to chemical and physical elements at work on a regular or continuous basis are more likely to acquire various occupational diseases, particularly respiratory problems. AIM: This observational study was carried out to determine the impact of exposure to specific industrial pollutants, such as petroleum products, on the pulmonary function tests of workers at a facility in Iraq’s south. METHODS: The study involved two groups of people: Exposed workers (G1) and non-exposed workers (G2) (G2). Asthmatics, healthy smokers, and healthy nonsmokers were split into three subgroups. All individuals had their pulmonary function tests (PFTs) performed using a medical spirometer. RESULTS: There were substantial decreases (p0.05) in PFTs of exposed workers, as well as a significant rise in estimated lung age. The effects of exposure were most noticeable in asthmatics and healthy smokers, while healthy nonsmokers were unaffected. In addition, the exposed group had a considerably higher percentage of obstructive and mixed respiratory illnesses. CONCLUSION: Workplace exposure to some industrial compounds, such as petrochemical products, may impair PFTs, with the impairment being more pronounced in the presence of other risk factors such as smoking or asthma. Asthmatics and smokers should be cautioned against working in industrial settings for more than five years. In general, all workers should be aware of the risks of working at such a location for more than 5 years, and all workers should adhere to occupational safety regulations.