International Business Times UK | Alzheimer, dementia rates decline but aging America may halt trend Press Herald Obesity rates also increased, while dementia was most common among underweight adults. Previous research has shown weight loss may precede dementia by several years and that late-life obesity may be healthier than being underweight. But a journal ... Alzheimer's disease: Dementia prevalence is declining among US adults Alzheimer's Society responds as researchers report decline in the prevalence of dementia in USA U.S. dementia rates declining, study finds |