New research suggests that Americans' risk for developing dementia over a lifetime may be higher than previously thought.

Dementia cases will more than double in the coming decades ... The Alzheimer’s Association has more information about the study and resources for patients and families. More information can also found in the pdfs below and here

A new study found that dementia cases in the United States are projected to double from more than 500,000 in 2020 to about 1 million by 2050.

Dementia cases in the U.S. are expected to double by 2060, with an estimated one million people diagnosed per year, according to a new study led by Johns Hopkins University and other institutions.

A new study found an increased risk of dementia in older Americans, with the risk among Black Americans even greater. NBC News' Anne Thompson reports on what doctors say can help lower the risk of dementia.