Researchers have uncovered the mechanism underlying frontotemporal lobar degeneration (FTLD) caused by variants in the valosin-containing protein (VCP) gene. Their study, which used a fruit fly model,

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

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.

Demi Moore is reportedly making her ex-husband Bruce Willis' 'peace and comfort' her 'central mission' as he continues his battle with frontotemporal dementia

Demi Moore is keeping her ex-husband Bruce Willis' "peace and comfort" at "the very top of her list of priorities" and is spending more time with him to help his current wife, Emma Heming Willis, a friend has said.

If that doesn’t warm your heart, I don’t know what will.

In an Instagram post shared by his wife Emma Heming Willis on Thursday, Willis can be seen shaking hands with a Los Angeles police officer.

Retired actor Bruce Willis was filmed warmly greeting LAPD officers on Thursday as he continues to battle dementia.

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.

Bruce Willis made a rare public appearance to thank first responders tackling the ongoing Los Angeles fires. In a video posted by his wife, Emma Heming (46), the Die Hard star, who is battling dementia, was filmed shaking hands with LAPD responders and posing for a photo with them.

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 made a rare outing, taking time to thank first responders. Willis, who was diagnosed with dementia in 2023, was photographed shaking hands with Los Angeles Police Department officers, CNN reported.