Over-the-hill cells may cause trouble in the aging brain
Killing senescent cells in the noggins of mice prevented memory loss
![tau tangles in a nerve cell illustration](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/09/091818_LS_senescent-cells_feat.jpg?fit=860%2C460&ssl=1)
TANGLED UP Senescent brain cells that no longer do their jobs properly may have a hand in creating tangles of tau (illustrated in blue inside a nerve cell) and, ultimately, dementia, a mouse study suggests.
UT Southwestern