India, Oct. 14 -- A new international study estimates that 11.4 million people developed dementia worldwide in 2023, and the number of new cases is expected to more than double, reaching 24.7 million a year by 2050.
The study was led by researchers at the Centre for Healthy Brain Ageing (CHeBA) at UNSW Sydney. Published in JAMA Neurology, the research analyz ed data from 38,418 people across 22 population-based studies in 18 countries and territories spanning six continents.
The research was conducted through the Cohort Studies of Memory in an International Consortium (COSMIC). It provides a new global estimate of how frequently people develop dementia across different populations.
During more than 287,000 person-years of follow-up, 3,00...