DLB or Dementia with Lewy bodies is a progressive degenerative brain disorder that affects primarily older adults. There are several synonyms for DLB, including Lewy body dementia, Lewy body disease, Lewy body disorder, and dementia-parkinsonism. DLB causes a variety of symptoms, including cognitive impairment, movement disorders, hallucinations, sleep disturbances, and fluctuations in alertness and attention. The condition is characterized by the build-up of abnormal protein deposits called Lewy bodies in the brain. Early diagnosis and treatment can help manage the symptoms of DLB and improve quality of life. It's critical to seek medical advice if you or a loved one experiences any cognitive or motor difficulties.