The anatomical configuration of the Circle of Willis and its connecting cerebral arteries is critical for maintaining cerebral perfusion and serves as a collateral network to safeguard against ...

Analisa Novak is a content producer for CBS News and the Emmy Award-winning "CBS Mornings." She specializes in covering live events and exclusive interviews for the show. Analisa is a United States ...

They have Bruce’s back. Bruce Willis’ wife, Emma Heming Willis, has posted a new Instagram post, opening up about the support she’s received amid the “Die Hard” star’s heartbreaking dementia battle.

Bruce Willis' functions will get "worse and worse" as his frontotemporal dementia continues to advance, CBS News medical contributor Dr. David Agus told "CBS Mornings." "This is a progressive disorder ...