Bruce Willis has been diagnosed with frontotemporal dementia (FTD), which is a type of dementia that affects the frontal and temporal lobes of the brain. FTD is a neurodegenerative condition that can cause changes in personality, behavior, and language skills. Willis family first announced his diagnosis of aphasia, a symptom associated with dementia, in March 2022. Aphasia can cause difficulty communicating, understanding, reading, or writing. Willis condition has since progressed to FTD, which includes a variety of neurodegenerative conditions. The early signs of his dementia included difficulty communicating and "a vague unresponsiveness". Willis wife, Emma Heming Willis, has spoken publicly about the challenges of dealing with dementia, saying that it is hard on the person diagnosed as well as their family.