How Many Days Can We Safely Keep Leftovers?

According to Fitness Magazine, a Meredith publication, and Shelley Feist from Food Safety Education, we should not rely on the sniff test. Three to four days in the refrigerator is a good rule of thumb, but it also depends on whether the food sat at room temperature for more than two hours and the temperature of your fridge, which should be 40F or cooler.

Source: Fitness Publication