Megan Brooks July 20, 2021 The global prevalence of young-onset dementia (YOD) is significantly higher than previously thought. Results of a large meta-analysis show that currently, 3.9 million individuals are living with YOD. Among these patients, symptoms of the memory-robbing disease start before age 65. Recent global YOD estimates have ranged from 42.3 to 54.0 per 100,000...