
Pantry staples offer great convenience. We buy canned goods and leave them on the shelf for years. Most people assume the sealed metal protects the food forever. That assumption is incorrect. While commercial canning kills bacteria initially, the chemical integrity of the food changes over time. Specific items become physical hazards if you ignore the printed dates. Eating expired food from a compromised can leads to severe illness. You must audit your pantry to protect your health. Here are 5 canned foods that can turn dangerous after expiration.