Have you ever noticed subtle changes in a loved one's personality or behavior and wondered if it's more than just aging? Frontotemporal dementia (FTD) is the most common type of dementia for people under 60,

Willis was diagnosed first with aphasia -- a condition where the brain's ability to understand or express language is impaired, according to the National Institutes of Health -- in 2022 before receiving an additional diagnosis of frontotemporal dementia in 2023, according to his family.

The Die Hard star was spotted shaking hands with an emergency serviceman in a heartfelt moment that his wife, Emma Hemming Willis, uploaded to Instagram

The retired actor — currently battling frontotemporal dementia — was seen in a rare video speaking with LA wildfire first responders.

Die Hard star Bruce Willis was diagnosed with frontotemporal dementia in 2023 and the Hollywood actor has since retired and is being cared for by his family and kids

Die Hard actor, 69, retired from acting in 2022 after being diagnosed with aphasia, which affects language abilities.

The number of celebrities tragically battling dementia has hit Hollywood, after EastEnders legend Barbara Windsor died from Alzheimer's disease.

Last month, Bruce's ex-wife, Demi Moore, gave an update on his well-being amid his battle with dementia. In an interview with CNN, the 62-year-old actress explained that the actor is "in a very stable place," but it hasn't been easy watching him struggle.

Bruce Willis, who is battling dementia, thanked LA police officers in the midst of the deadly wildfires in the area.

Bruce Willis retired from acting in 2022 and was then diagnosed with frontotemporal dementia. He's rarely been seen in public since then.

Bruce Willis was seen in public for what appeared to be the first time since his 2023 frontotemporal dementia (FTD) diagnosis in a video his wife Emma Heming Willis shared that showed Willis speaking with and thanking Los Angeles police officers as wildfires continue throughout Los Angeles county.

Bruce Willis is making a rare public appearance ... has progressed and we now have a more specific diagnosis: frontotemporal dementia (known as FTD)." His frontotemporal dementia diagnosis is ...