Articles related to EPIDEMIOLOGY

Self-reported cannabis use in the United States increased substantially between 2008 and 2022, with particularly pronounced growth in daily or near-daily consumption, while high-frequency alcohol use remained stable or declined during the same period.

Childhood ADHD was associated with higher rates of adult psychiatric and neurologic hospitalization in a Finnish birth cohort followed into adulthood, while most somatic health outcomes showed little evidence of a sustained association.

Daily consumption of sugar-sweetened beverages was associated with more than double the risk of gastric cancer in two large U.S. prospective cohorts, although the findings did not establish causality and require confirmation in additional studies.

A Medicare-based analysis found substantial geographic variation in access to board-certified neuromuscular physicians for patients with myasthenia gravis, with specialist growth failing to fully offset regional disparities despite increases in both workforce size and disease prevalence.

Two prospective cohorts found that metabolically unhealthy adults generally had higher dementia risk estimates regardless of obesity status. Metabolically healthy obesity was not associated with increased dementia risk in primary analyses, though findings varied across sensitivity analyses.

A meta-analysis of 14 observational studies found that very high chili pepper consumption was associated with increased gastrointestinal cancer risk, particularly esophageal cancer. The findings were observational and did not establish a causal relationship between chili pepper intake and cancer development.