JAMA

JAMA is an international peer-reviewed general medical journal published weekly online and in print.
(1581)

The official page for JAMA http://jama.com, an international, peer-reviewed journal published weekly online and in print.

01/28/2026

📊 JAMA Guide to Statistics and Methods: The win ratio is a statistical method for hierarchical composite outcomes, offering a patient-centered summary of treatment effects by prioritizing more important clinical events in clinical trials.

https://ja.ma/49LxJre

01/28/2026

💬 Editor's Note by JAMA Deputy Editors Preeti Malani, MD, MSJ, and Joseph Ross, MD, MHS: As generative tools become more advanced and accessible, transparent reporting and updated editorial guidance are needed to ensure research integrity.

https://ja.ma/4qeeiwg

01/28/2026

A cross-sectional analysis of research manuscripts submitted to 49 BMJ journals between April and November 2024 found that 5.7% included author-declared use of artificial intelligence ( ).

Chatbots were the most frequently reported tools, with writing assistants also commonly used. Most authors applied to improve writing quality, and disclosure rates increased over the study period.

https://ja.ma/4aietld

01/28/2026

Among more than 100 000 manuscripts submitted to 13 JAMA Network journals from August 2023 through October 2025, 3.3% included author-declared use of artificial intelligence ( ), with reported use rising from 1.7% to nearly 6% over this period.

The most common reason for use was language refinement, while statistical modeling, data analysis, manuscript drafting, and literature search were also reported.

Manuscripts from non–English-speaking countries, those ultimately withdrawn or rejected, and certain article types were more likely to disclose AI involvement, highlighting the expanding role of in medical research and the need for ongoing policy guidance.

https://ja.ma/3MbkOWr

01/28/2026

From 1990 to 2022, the US adult obesity rate increased from 19.3% to 42.5%, affecting more than 100 million adults.

Projections estimate that by 2035, nearly 47% of adults will have , with sharper increases among younger adults and persistent differences across states and s*x and racial and ethnic groups. The highest prevalence occurs among non-Hispanic Black females and in Southern and Midwestern states, underscoring ongoing public health and clinical challenges.

https://ja.ma/45xCSR7

01/28/2026

💬 Viewpoint: The 2025-2030 Dietary Guidelines for Americans weakened evidence-based recommendations for plant-predominant diets, potentially impacting efforts to reduce disease, , and .

https://ja.ma/4k6U6uP

01/28/2026

📊 Research Summary: In adults with and daily to***co use, an mHealth intervention delivering motivational and behavioral support via text message led to higher quit rates at 6 months compared to written advice.

https://ja.ma/4kn6sz7

01/28/2026

💬 Editorial: A randomized trial in Bangladesh and Pakistan found an mHealth text message–based cessation program, delivered in local languages, tripled biochemically verified abstinence rates among patients with compared to usual care.

The intervention, integrated into routine TB clinic workflows, proved scalable and cost-effective, supporting immediate implementation in high-burden settings.

https://ja.ma/4a4zwqg

01/28/2026

Among adults with newly diagnosed, drug-sensitive in high-burden countries, an mHealth program delivering text messages for to***co cessation was associated with higher quit rates and lower short-term mortality than written advice alone.

These findings demonstrate that mHealth approaches are feasible and effective for smoking cessation in tuberculosis patients where access to traditional cessation treatment is limited.

https://ja.ma/4a0RtG7

01/27/2026

📌 Editor’s Choice from this week's issue of JAMA:

➡️ Coffee to Reduce AFib Recurrence (DECAF),
➡️ Therapeutic Use of Cannabis and Cannabinoids Review,
➡️ Dialysis Strategies To Improve Kidney Recovery in AKI, and more.

ja.ma/4eRp9GH

$is a common disease among older adults that weakens bones and increases the likelihood of fractures. Worldwide, 1 in ...$

01/27/2026

is a common disease among older adults that weakens bones and increases the likelihood of fractures.

Worldwide, 1 in 3 women and 1 in 5 men older than 50 years have a bone fracture due to osteoporosis during their lifetime.

📄 This JAMA Patient Page describes osteoporosis risk factors, symptoms, screening, diagnosis, and treatment.

https://ja.ma/461ZiKq

01/27/2026

Approximately 27% of adults in the US and Canada report having ever used for medical purposes. An estimated 10.5% of the US population reports using cannabidiol (CBD), a chemical compound extracted from cannabis that does not have psychoactive effects, for therapeutic purposes.

📌 This Review summarizes current evidence about the therapeutic use of cannabis and cannabinoids in adults, potential harms, and evidence-based clinical guidance, including pretreatment screening and addressing preexisting cannabis use in clinical settings.

https://ja.ma/4rizSRa

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