Consuming expired foods can pose serious health risks. Deli meats, raw chicken, raw fish, shellfish, eggs, milk, soft cheeses, yogurt, cold-pressed juices, sprouts, cooked rice, mayonnaise, pre-packaged salads, ground meats, fresh berries, sliced bread, soft drinks and juices, canned foods, leftovers, and hummus can all harbour harmful bacteria. Consuming these foods after their expiration date can lead to severe foodborne illnesses. It is crucial to check expiration dates and handle food storage properly to ensure safety and freshness.