An AI-enabled smartphone app significantly improved glycemic control in adults with type 2 diabetes, according to a study published in NEJM Catalyst Innovations in Care Delivery. The trial showed that 71% of participants using the app achieved an A1C of less than 6.5% without glucose-lowering drugs, compared to 2.4% in the control group. The app uses real-time data and virtual coaching to provide personalized lifestyle recommendations.

Glucagon-like peptide-1 receptor agonists may be more effective than metformin in reducing dementia risk, particularly Alzheimer's disease, in patients with type 2 diabetes, according to a study in the journal BMJ Open Diabetes Research Care. The retrospective study involving 87,229 patients found that GLP-1 RAs were associated with a lower risk of overall dementia, especially in adults 60 and older and women.

A Gallup poll showed that 84% of Americans consider their diets to be at least somewhat healthful, with 73% citing confidence in grocery store food safety. However, only 53% of respondents expressed confidence in federal food safety regulations, a record low.

A two-year, nurse-led phone intervention was associated with significant reductions in BMI in preschool children, especially those from lower-income families, according to a study in the International Journal of Obesity. The program, which included support calls and text messages, led to better dietary habits and less screen time.

The risk of developing Parkinson's disease is 29% higher for people with metabolic syndrome, according to a study in the journal Neurology based on pooled data for almost 25 million people. Researchers said the findings suggest metabolic syndrome may be a modifiable risk factor, while noting that the study is not able to tell if there is a causal relationship.

A review published in the journal Tobacco Control found that vaping may increase the likelihood of cigarette smoking among youth. The analysis of 56 prior reviews also noted a significant association between e-cigarette use and asthma, excessive alcohol consumption and other substance use.

A study published in the American Journal of Infection Control found that 42.1% of primary care prescriptions globally include antibiotics. Researchers also found that antibiotic prescribing has not declined significantly over the past 20 years, noting that current antimicrobial stewardship strategies should be reviewed.