Dementia is a group of disorders that gradually impair memory, thinking and daily functioning. Alzheimer’s disease (AD), the most common form of dementia, affects about 7.2 million Americans aged 65 and older in 2025. Frontotemporal dementia (FTD), while rarer, is the second most common cause of early-onset dementia, often striking people in their 40s to 60s.
This article was originally published on MedicalXpress.com

