Findings among World Trade Center responders and incidence of dementia at <65 years of age

Risk even higher with psychiatric comorbidity, particularly when diagnosed at young age

Greater improvements reported in gratitude, anxiety, physical function at nine weeks; more improvements seen at 18 weeks

Steeper change in depressive symptoms linked to accelerated memory change and vice versa

Unique environmental effects, but not a shared environment between siblings, also influences risk

Prolonged exposure beginning in young adulthood linked to worse cognitive function over midlife, especially among Blacks

Prevalence of obesity showed 1.5-fold increase in 2012 to 2023 versus 2000 to 2011