Could this enzyme help remove 'zombie' cells from our tissues?

Our population is aging.

The United Nations reports that by 2050, the number of people age 85 and older on our planet is set to triple.

But a longer life span isn't the same as a longer health span (the number of years we spend healthy).

Salk Institute scientists are working to change that through foundational research that explores the cellular mechanisms driving age-related dysfunction. ...