Can we trust the expiry dates? Not really. Most of them are rather conservative – as soon it’s manifactured, contains sugar or chemical substances, your canned food might well be fine to be eaten years after that stamp on the package. Also yogurt, experts know it: it’s absolutely safe weeks longer then stamped. And what about drugs? The US Army knows it well, some of them are safe and effective even after 20 years.
Investigative reportage on the mysteries of shelf life. In Italian.