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Efficacy of cinnamon supplementation on glycolipid metabolism in T2DM diabetes: A meta-analysis and systematic review.
Zhou, Q, Lei, X, Fu, S, Li, Z, Chen, Y, Long, C, Li, S, Chen, Q
Frontiers in physiology. 2022;13:960580
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Diabetes mellitus (DM) is categorised into three main types: type 1 diabetes mellitus, type 2 diabetes mellitus (T2DM), and gestational diabetes mellitus. T2DM accounts for approximately 90% of diabetes mellitus cases. The aim of this study was to assess the effects of cinnamon on glucose and lipid levels in patients with T2DM. This study is a systematic review and meta-analysis of fifteen randomised controlled trials with a total of 1020 patients. Results show that blood glycolipid [a carbohydrate that is covalently linked to a lipid] levels were improved dramatically in diabetes patients who received cinnamon instead of a placebo. Cinnamon supplementation also exerted a favourable impact on metabolic (especially glucose, body mass index and lipids) abnormalities. Authors conclude that their findings show a beneficial impact on hypoglycaemia and lipids with cinnamon and cinnamon extract, implicating the extracts as therapeutic agents that might ameliorate hyperglycaemia in diabetes.
Abstract
Background: Cinnamon is a spice used in cooking and in large quantities as a medical complement with hypoglycemic and lipid-lowering properties. The potential pharmacological mechanisms underlying cinnamon's anti-diabetic properties and its active ingredients have not been adequately determined. The current meta-analysis aims to systematically review the potential pharmacological mechanisms underlying the hypoglycemic and hypolipidemic efficacy of cinnamon administration and summarize clinical recommendations of cinnamon and its active ingredients. Method: Relevant randomized clinical trials (RCTs) were identified through a literature search that spanned the years January 2005 to April 2022. Retrieve electronic databases including Web of Science, PubMed, Embase, Medline, and the Cochrane Library. To obtain standardized mean differences (SMDs), continuous outcomes were pooled and 95 percent confidence intervals (CIs) were provided. Categorical outcomes were aggregated to calculate relative risks (RRs) and were accompanied by 95% CIs. Heterogeneity was measured using the Cochrane Q-test and I2 statistics, with a p < 0.05 considered as substantial heterogeneity. If I2 was less than 50%, a fixed effect model was employed; otherwise, a random effect model was used. Subgroup analyses and sensitivity analyses were performed to identify the origins of heterogeneity. Publication bias was retrieved by means of a funnel-plot analysis and Egger's test. The data were analyzed using revman (V.5.3) and stata (V.15) software packages. Results: These 16 RCTs included a total of 1,020 patients who were followed for a duration ranging from 40 days to 4 months. According to the current meta-analysis results, glycolipid levels in diabetic individuals who received cinnamon were significantly improved as compared to those who got placebo (All p < 0.05). An adverse effect was only detected in one patient. Conclusion: These findings imply that cinnamon has a significant influence on lipid and glucose metabolism regulation. An even more pronounced effect was observed in patients with HbA1c of 8%. The results of this study suggested that cinnamon may be utilized as hypoglycemic and lipid-lowering supplement in clinical settings with a guaranteed safety profile.Systematic Review Registration: [PROSPERO], identifier [CRD42022322735].
2.
Sugar- and Artificially Sweetened Beverages Consumption Linked to Type 2 Diabetes, Cardiovascular Diseases, and All-Cause Mortality: A Systematic Review and Dose-Response Meta-Analysis of Prospective Cohort Studies.
Meng, Y, Li, S, Khan, J, Dai, Z, Li, C, Hu, X, Shen, Q, Xue, Y
Nutrients. 2021;13(8)
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Sugary drinks and excess dietary sugars have been related to the development of many non- communicable diseases such as obesity, heart disease and type 2 diabetes (T2D). Drinks with added sweeteners as a replacement for sugar are often regarded as a healthier alternative, however the exact effect on many non-communicable diseases is unknown. This systematic review and meta-analysis of 17 cohort studies assessed the effect of sugary drinks and artificially sweetened beverages (ASB’s) on the risk of death, T2D, and heart disease. The results showed that the consumption of sugary drinks and ASB’s increased the risk of developing T2D, heart disease and death from any cause. It was concluded that long-term consumption of ASB’s and sugary drinks will have detrimental health effects. Reasons for the increased risk of T2D, heart disease and death by any cause following consumption of ASB’s still remains unclear. However relationships between poor health outcomes and sugary drinks may be due to many different mechanisms such as increased blood sugar levels encouraging obesity and an increase in blood pressure following consumption. Healthcare professionals could use this paper to recommend a diet without ASB’s and sugary drinks to prevent the development of these non-communicable diseases.
Abstract
Although studies have examined the association between habitual consumption of sugar- (SSBs) and artificially sweetened beverages (ASBs) and health outcomes, the results are inconclusive. Here, we conducted a dose-response meta-analysis of prospective cohort studies in order to summarize the relationship between SSBs and ASBs consumption and risk of type 2 diabetes (T2D), cardiovascular diseases (CVDs), and all-cause mortality. All relevant articles were systematically searched in PubMed, Embase, and Ovid databases until 20 June 2020. Thirty-four studies met the inclusion criteria and were eligible for analysis. Summary relative risks (RRs) and 95% confidence intervals (95% CI) were estimated using random effects or fixed-effects model for highest versus lowest intake categories, as well as for linear and non-linear relationships. With each additional SSB and ASB serving per day, the risk increased by 27% (RR: 1.27, 95%CI: 1.15-1.41, I2 = 80.8%) and 13% (95%CI: 1.03-1.25, I2 = 78.7%) for T2D, 9% (RR: 1.09, 95%CI: 1.07-1.12, I2 = 42.7%) and 8% (RR: 1.08, 95%CI: 1.04-1.11, I2 = 45.5%) for CVDs, and 10% (RR: 1.10, 95%CI: 0.97-1.26, I2 = 86.3%) and 7% (RR: 1.07, 95%CI: 0.91-1.25, I2 = 76.9%) for all-cause mortality. Linear relationships were found for SSBs with T2D and CVDs. Non-linear relationships were found for ASBs with T2D, CVDs, and all-cause mortality and for SSBs with all-cause mortality. The findings from the current meta-analysis indicate that increased consumption of SSBs and ASBs is associated with the risk of T2D, CVDs, and all-cause mortality.