Dementia is not a single disease. It is a progressive condition that affects memory, thinking, behavior, and the ability to perform everyday activities . As India’s population ages rapidly, more families are searching for answers to questions like what is dementia , early signs of dementia , and what care options are best for a loved one . Understanding dementia early can make a life-changing difference for both seniors and caregivers. What Is Dementia? Dementia is a syndrome