JAMA

Continuous Glucose Monitoring

This JAMA Insights discusses continuous glucose monitoring use among individuals with type 2 diabetes, including types of devices, evidence of effectiveness, and adverse effects and contraindications.

Therapeutic Use of Cannabis and Cannabinoids – A Review

  Approximately 27% of adults in the US and Canada report having ever used cannabis 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…

World Health Organization Guideline on the Use and Indications of Glucagon-Like Peptide-1 Therapies for the Treatment of Obesity in Adults

Importance  Obesity is a chronic, relapsing disease affecting over 1 billion people worldwide, driving substantial morbidity, mortality, and economic burden. Glucagon-like peptide-1 therapies (GLP-1 therapies) provide clinically meaningful weight loss and broad metabolic benefits. In response to Member State requests, the…

Climate Change, Allergic Rhinitis, and Sinusitis

This JAMA Insights explores how climate change could lead to increased incidence of allergic rhinitis and chronic rhinosinusitis due to such factors as air pollution and pollen levels.

A 65-Year-Old With Fatigue, Nausea, and Electrocardiogram Abnormalities

A previously healthy man had headache, chest pain, abdominal pain, vomiting, and diarrhea 1 hour after eating raw tuna sashimi. His blood pressure was 67/42 mm Hg, and he had an erythematous nonpruritic rash on his upper torso, ST-segment elevation…

Head and Neck Cancer – A Review

Importance  Head and neck cancer, which arises in the lining or mucosa of the upper aerodigestive tract, specifically the oral cavity, oropharynx, larynx, hypopharynx, and paranasal sinuses, is the seventh most common cancer worldwide. In 2024, approximately 71 110 individuals in the…

A Woman With Rheumatoid Arthritis and Vesicular Rash

A patient receiving adalimumab for rheumatoid arthritis had ulcerated plaques on the anterior and lateral aspects of the neck, upper chest, and nape and erythroderma on the dorsum of the hands, corresponding to areas of sun exposure, as well as…

Gastric Cancer A Review

Importance  Globally, 968 350 new cases and 659 853 deaths from gastric cancer were reported in 2022. In the US, 30 300 new cases and 10 780 deaths were estimated in 2025. Observations  Gastric cancer is more common in men, and the median age at diagnosis…

PostñIntensive Care Syndrome

This JAMA Insights discusses postñintensive care unit syndrome, including how it is assessed and diagnosed as well as suggestions for treatment and prevention.