A new study finds that loss of sleep prematurely ages immune cells in the brain. And that can cause all sorts of cognitive problems - including dementia - as you get older.

Simi Sara Show Contributor, Claire Allen, has more.

A new study finds that loss of sleep prematurely ages immune cells in the brain. And that can cause all sorts of cognitive problems - including dementia - as you get older.


Simi Sara Show Contributor, Claire Allen, has more.