"HOW LONG IS TOO LONG TO KEEP FOOD IN THE FRIDGE?"

This is a really great article.  Not only does the author discuss how to store different foods in the refrigerator or freezer, but she also talks about what the terms "Expiration", Best If Used By", and "Sell By" mean.  

Below the picture is an excerpt from the article as well as a link to the whole article.

Food poisoning and foodborne pathogens like listeria, salmonella and E. coli are real risks but knowing how long to keep and when to throw away food can be tricky. In fact, The Natural Resources Defense Council says more than 90 percent of Americans may be throwing out food unnecessarily because food label dates are confusing.
 
Plus, some people just wait too long to throw away refrigerated food. A recent survey by public health and safety organization NSF International showed that 47 percent of people discard food when they see mold or changes in color or texture.

Click on the link to read the rest of the article - http://www.foxnews.com/health/2014/09/26/how-long-is-too-long-to-keep-food-in-fridge/?intcmp=obnetwork