Tampa (BLOOM) – Have you ever wondered how canned foods manage to stay fresh for such a long time? Whether it’s vegetables, ...

According to NHS guidelines, the use-by date means food has to be eaten by that time, otherwise it can cause ... eaten even after their dates have long gone. With so much information and advice ...

An curved arrow pointing right. "Sell by" dates and "use by" dates can be confusing. Here's how long your food actually lasts. Produced by Devan Joseph. Original reporting by Mallory Schlossberg.

So, what should you add to your shopping list if you want your doomsday supplies to last as long as possible ... a big role in shelf life. Over time, acidic foods can react with the metal inside ...