https://www.caadria2025.org/development-gbd-iddid-by-age/Caadria 2026en2026-09-03T06:55:43+00:00If you’re checking whether age explains developmental intellectual disability differences, the answer isn’t found in age alone—rates must be read within regions, where the gap remains the strongest signal. https://www.caadria2025.org/adhd-gbd-adhd-by-age/Caadria 2026en2026-09-03T04:11:09+00:00If your ADHD chart looks lower in adulthood, that isn’t the same as fewer new cases — the age estimates separate prevalence, burden, and annual case recording https://www.caadria2025.org/mind-gbd-mental-by-age/Caadria 2026en2026-09-02T22:37:28+00:00Mental health by age is not one smooth rise — the GBD 2023 figures peak in adolescence before changing direction