Unlike other food products, most fats and oils can go rancid. And that's what we need to pay attention to if we store any of them for a prolonged period.
The fact that most of us don't use that much fat in our daily cooking doesn't help either.
Because of that, bottles tend to sit in the pantry for months. And after all that time passes, we want to know if that oil is still okay to use, or if we should toss it out and buy a new bottle.
If you're in a similar situation, you'll surely find help in one of the articles in this category.