See what science says about your leftover pizza

We put it to the test!

Come on, we’ve all done it. That leftover pizza tastes okay, so it’s totally fine to eat, right? Well, maybe not.

Local 4′s Dr. Frank McGeorge puts it to the test to see what science has to say about it.

We’ll be testing for general yeast and mold counts, and total bacterial counts.

What do you think is too old? Six hours? Twelve hours? A day?

Don’t miss our Special Report on “Slice Science.”

Thursday at 5:45 p.m. on Local 4 News and streaming on Local 4+.

Take our poll to compare your leftover pizza habits to others!