When elderly family members show memory loss and slow responses, people often assume it’s Alzheimer’s disease (AD). Yet among dementias, Dementia with Lewy Bodies (DLB) is the second most common type but is frequently misunderstood and misdiagnosed. Distinguishing them is critical, as symptoms, treatments, and care differ greatly. To put it simply: Alzheimer’s is a “memory thief”, while DLB is a “hallucination director”.