Although the results of recent trials confirm the efficacy of metformin in prevention and treatment of different cancers, the evidences are not adequate enough.

Introduction: Over the past decades prevalence of diabetes has increased in Iran and other countries. This study aimed to update the prevalence of diabetes and prediabetes in Iran and to determine associated sociodemographic risk factors, as well as diabetes awareness and control. Methods: This is a nationally representative cross-sectional survey that included 163,770 Iranian adults aged 35-70 years, from different ethnic backgrounds, between 2014 and 2020. Diabetes was diagnosed at fasting blood sugar Mohammad E. Khamseh and Sadaf G. Sepanlou have contributed equally to this manuscript as co-first authors.

BackgroundTo examine trends in the population levels of serum lipids among a Middle-Eastern adult population with high prevalence of dyslipidemia.MethodsA population-based cohort of adult Iranian participants, aged ≥20 years underwent four consecutive examinations between 1999–2001 and 2008–2011. Trends in age and multivariate-adjusted mean lipid levels were calculated using generalized estimating equations.ResultsAt each of the 4 assessments, there were significant decreases in levels of total cholesterol (TC) (multivariate-adjusted means, 5.21 vs. 4.88 mmol/L in men; 5.42 vs. 5.07 mmol/L in women), triglycerides (TGs) (2.11 vs. 1.94 mmol/L in men; 1.88 vs. 1.74 mmol/L in women), and an increase in HDL-C level in both genders (0.95 vs. 1.058 mmol/L in men; 1.103 vs. 1.246 mmol/L in women) in multivariate analyses (all Ps <0.001); however, body mass index (BMI) significantly increased simultaneously (25.92 vs. 27.45 kg/m2 in men; 27.76 vs. 30.02 kg/m2 in women) (P < 0.001). There were significant (P < 0.001) increases in fasting plasma glucose (FPG) levels only among men (5.35 vs. 5.73 mmol/L). Results did not change after excluding participants that had cardiovascular disease or used lipid lowering drugs during follow-up. There were significant decreases in the prevalence of hypercholesterolemia, low HDL-C, hypertriglyceridemia (all Ps <0.001) during follow-up. Furthermore, the consumption of lipid lowering drugs significantly increased (P <0.001).ConclusionDuring a 10 years follow-up, favorable trends were observed in the population levels of TC, triglycerides, HDL-C, which could not be fully accounted for by the increase observed in the consumption of lipid lowering drugs. These favorable trends were counterbalanced by the progressive increase in general obesity and FPG level.

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