HbA1c News and Research

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How GLP-1 drugs affect the body beyond weight loss and glucose control

This review evaluates the safety profile of glucagon-like peptide-1 receptor agonists and related incretin therapies used for obesity and type 2 diabetes. It highlights common gastrointestinal effects, rare but debated risks, and areas where further long-term safety data are still needed.

18 Feb 2026

Higher red meat intake links to greater diabetes odds in large US study

Higher intakes of total, processed, and unprocessed red meat were associated with greater odds of diabetes in a nationally representative sample of US adults. Statistical substitution models suggest replacing red meat with plant proteins, poultry, dairy, or whole grains may be linked to lower diabetes odds, though causality cannot be inferred.

15 Feb 2026

Ozempic users continue treatment when weight loss works despite side effects

A study on Ozempic for weight loss reveals user satisfaction is driven by efficacy, despite common gastrointestinal side effects impacting treatment adherence.

13 Feb 2026

Magnesium lower fasting blood sugar in older adults

Magnesium boosts fasting glucose control in older adults with deficiency, but preventing diabetes progression may need more than just mineral correction.

13 Feb 2026

Posture-induced retinal vascular response predicts diabetic retinopathy progression

Diabetic retinopathy develops through complex microvascular damage driven by chronic hyperglycemia, yet traditional risk factors such as disease duration or glycemic control explain only part of individual risk.

11 Feb 2026

Metformin linked to lower odds of intermediate macular degeneration in people with diabetes

A five-year image-based study in people with type 2 diabetes found metformin use was associated with lower odds of developing intermediate age-related macular degeneration. The observational findings suggest a potential protective link but do not establish causation and warrant prospective clinical trials.

4 Feb 2026

Financial incentives improve glycemic control in low-income diabetes patients

A new study examined whether providing financial vouchers to offset medication costs, conditional on improved blood sugar levels, could enhance glycemic control.

3 Feb 2026

Financial incentives lower blood sugar in uncontrolled type 2 diabetes

In this randomized controlled trial in Israel, researchers examined whether a contingent discount as a financial incentive on medication expenses could help people with poorly controlled type 2 diabetes better manage their blood sugar.

27 Jan 2026

When you eat matters: early time-restricted eating improves metabolic health

Time-restricted eating improves several metabolic outcomes compared with usual diets, with benefits observed for body weight, adiposity, blood pressure, insulin, glucose, and triglycerides. Early eating windows consistently outperform late eating, while the optimal duration of food intake remains uncertain.

22 Jan 2026

Lifestyle prevention of diabetes may halve carbon footprint associated with treating complications

Preventing high blood glucose (pre-diabetes) from turning into type 2 diabetes with lifestyle changes could more than halve the carbon footprint associated with treating the complications of the disease, suggests a modelling study, published in the open access journal BMJ Open.

20 Jan 2026

PFAS exposure increases gestational diabetes risk

A review of 130 studies links PFAS exposure to gestational diabetes, highlighting the need for further research on diabetes outcomes and environmental factors.

19 Jan 2026

Father's early behavior linked to child's heart and metabolic health years later

How a new father behaves toward his baby can change family dynamics in a way that affects the child's heart and metabolic health years later, according to a new study by researchers in the Penn State College of Health and Human Development.

16 Jan 2026

Most patients regain lost weight within two years of stopping obesity drugs

Weight management medications show limited long-term effects, with rapid weight regain post-treatment, emphasizing the need for sustainable obesity strategies.

13 Jan 2026

Blood biomarkers predict risk of multimorbidity in older adults

A small set of common blood biomarkers predicts which older adults will develop specific combinations of chronic diseases - and how quickly, a new study from Karolinska Institutet published in Nature Medicine reports.

7 Jan 2026

Common blood signals explain why chronic diseases cluster as we age

This population-based study shows that shared and pattern-specific blood biomarkers reflect biological vulnerability underlying multimorbidity and the pace at which chronic diseases accumulate in older adults. Metabolic and systemic stress markers such as GDF15, HbA1c, cystatin C, and insulin consistently tracked higher disease burden and faster accumulation, with findings replicated across cohorts.

5 Jan 2026

Filtered coffee shows a causal link to healthier HbA1c levels

Genetically predicted filtered coffee consumption is causally associated with lower HbA1c levels, while other coffee preparation methods show no such benefit. This effect appears to be partly mediated by increases in propionate producing gut bacteria, particularly Veillonella.

10 Dec 2025

Early warning for diabetes: AI model identifies prediabetes risk with high accuracy

A Scientific Reports study developed a pattern neural network that integrates total antioxidant status with clinical and metabolic markers to predict prediabetes in Indian adults. The model achieved very high accuracy and highlighted oxidative stress and waist circumference as key predictors, supporting earlier detection before progression to type 2 diabetes.

10 Dec 2025

Home-delivered, medically tailored groceries benefit people with diabetes facing food insecurity

A new study in the Journal of Nutrition Education and Behavior (JNEB), published by Elsevier, evaluated a 12-week home-delivered food and education program among adults in Northwest Arkansas.

10 Dec 2025

Higher PFAS levels reduce blood sugar improvements after teen bariatric surgery

A new USC study shows teens with higher blood levels of per- and polyfluoroalkyl substances (PFAS) measured before bariatric surgery had smaller improvements in blood sugar over five years, including fasting glucose and hemoglobin A1c (HbA1c), which measures average blood sugar levels over the past 60-90 days.

4 Dec 2025

Metformin fails to improve insulin resistance in type 1 diabetes

Metformin treatment in type 1 diabetes lowers insulin dosage but does not improve insulin resistance, highlighting its complex role in diabetes management.

26 Nov 2025