As we seem to be seeing more and more inclement weather – should houses across Ireland have ‘grab bags’ prepared?

Sometimes. Canned vegetables usually have added salt, and some canned fruit in packed sugary syrup. Choose canned veggies labeled low sodium, and buy fruit that's packed in water or its own juice.

Shipping accidents that dent or crush cans cause problems. Can corrosion. Food reacts chemically with the metal container, especially high-acid food like canned tomatoes and fruit juices. Over several ...