The estimated number of people with dementia is expected to increase to 153 million by 2050 worldwide, compared with an estimated 57 million cases in 2019, according to recent projections published in The Lancet Public Health. In the U.S., dementia cases are expected to double to 10.5 million by 2050, up from 5.3 million in 2019, shows “Estimation of the Global Prevalence of Dementia in 2019 and Forecasted Prevalence in 2050: An Analysis for the Global Burden of Disease Study 2019.” The study, published in January, adds to the body of evidence that dementia will continue to be among the leading causes of death and disease worldwide, unless effective treatments enter the market and nations begin to address some of the common risk factors for dementia, including obesity, diabetes and smoking. Dementia is not a specific disease. It’s a general term that refers to a collection of symptoms such as memory …