Recent medical researches suggest that there may be a link between iron levels and diabetes . The objective of this study is to measure serum iron levels indiabetic patients and compared with healthy controls .The study also include the measurement of both serum calcium ,and serum lead levels in diabetic patients and the correlation between these two elements and the disease ,and the correlation between these elements and iron level in diabetic patients. This study included 30 patients had diabetes were submitted to the out patients clinic of Baghdad Teaching Hospital. Those patients were varying in theirages (30-70 years) and duration of disease (1-22 years) compared with 20 apparently healthy controls (non diabetic), with the same range of age.Calcium, lead, and iron estimation were done by atomic absorption method. In this study there is no significant changes were found in both serum leadlevels of the patients compared with the controls and serum iron levels of the patients compared with the controls , While there is a significant changes in serum calcium levels of the patients compared with the controls p ˂ 0.0001. Also there is inverse correlation between serum calcium and serum iron (r=-0.398) , a weak inverse correlation between serum lead and serum iron (r=-0.069),and a direct weak correlation between serum calcium and serum lead(r=0.027) were found in the patients.The role of iron in diabetes development still unclear, and the patients should carefully use iron supplements particularly patients with long duration of the disease.

The study included 40 patients (27 males and 13 females) with renal and ureteric stones were submitted to lithotripsy unit in Al-Yarmook Hospital, Baghdad-Iraq, their mean ages were (39±14) and 14 apparently healthy controls were enrolled in this study their mean ages were (38±12) .The study objected to evaluate the serum and saliva levels of selenium (Se) and Chloride (Cl) in patients with stones and healthy as controls to find apossible relation between these elements and stone formation.Selenium and chloride were measured both in sera and saliva, the results showed that the mean value of serum and saliva selenium levels in stone formerpatients were statistically significant lower compared with healthy controls (p<0.0001, 0.002) respectively, while the mean value serum chloride level in stone former patients were significantly higher than healthy controls (p< 0.018). This study showed that we can use serum and saliva selenium and serum chloride as a biomarker in renal stone former patients.