Summary:

- The article discusses a new study that predicts a significant increase in the number of people living with dementia worldwide by 2050.
- The study, published in The Lancet Public Health journal, estimates that the global prevalence of dementia will rise from 57.4 million cases in 2019 to 152.8 million cases by 2050, a 166% increase.
- The study attributes this projected rise to factors such as aging populations, population growth, and the increasing prevalence of risk factors like obesity, diabetes, and physical inactivity.