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What's the Worst Type of Dementia? A Look at CJD, FTD, and LBD

While there is no definitive "worst" type of dementia, Creutzfeldt-Jakob disease (CJD) is widely regarded as one of the most rapidly progressive and fatal forms. The determination of what's the worst type of dementia often depends on the criteria used, such as speed of decline, specific symptoms, and the burden on caregivers. The severity and impact can vary dramatically depending on the individual and the specific form of the disease.