Background: Recent recommendation advocates the reporting of HbA1c in terms of mean plasma glucose. We examined the impact of improving patients' interpretation of a given HbA1c value on glycaemic control. Methods: We conducted a questionnaire survey among 111 patients attending a hospital diabetes clinic. Patients were provided with information relating to the association between HbA1c and mean plasma glucose levels. Glycaemic control among 80 patients with poor glycaemic control was assessed before and approximately seven months after such intervention.

inhalation of benzene vapours promote various and dangerous health problems. Fuel station workers are most susceptible to benzene inhalation toxicity. Samples were collected twice, at beginning of the study and 6 months later from 40 fuel station workers from different egyptian governorates and 10 control healthy volunteers. Fuel station workers were sub divided into four groups according to years working in the station. All of them are exposed to benzene vapours and exhausts during their duties, their work shifts were 8 hrs./day. Results indicated that; benzene vapours exposure induced significant increasing in serum Lead and Cadmium and Myeloperoxidase (MPO) enzyme activity levels. This goes with marked immunologic changes presented by decreases in immunoglobulins; IgA and IgG, along with increases in levels of IgM and IgE. Also, Malondialdehyde (MDA) levels were significantly increased. Meanwhile, reduction in some other biochemical parameters including; Copper, Zinc and Iron micronutrients, as well as; Superoxide Dismutase (SOD), Catalase (CAT) enzyme levels and Glutathione (GSH) content. Hence, the study inferred that prolonged benzene inhalation can lead to biochemical and immune disorders, probably through potentiating oxidative stress and inflammation pathways.

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