Food goes bad when?

The ‘best before’ challenge … One man boldly goes beyond the use-by dates on his food

British, not American, dates, but I suspect the theory still stands on this side of the pond. There are a lot of conversations in my house about the difference between “when in doubt, throw it out” and “for God’s sake, it’s fine, eat it.” One thing that they don’t mention here are leftovers — which definitely don’t hold up anywhere near as well as the food when it arrives from the supermarket.