You've probably seen packages of ground beef at the grocery store encased in bloated plastic packaging. Maybe you purchased a nice steak or pack of chicken thighs, and when it came time to cook them, ...

You've probably seen it firsthand: That package of ground beef or vacuum-sealed chicken you brought home from the grocery store suddenly looks different than when you dropped it in your shopping cart.

Add Yahoo as a preferred source to see more of our stories on Google. The experts weigh in on whether you can eat meat in puffed up containers or if you should toss it. I have an unopened bag of dog ...