In an emergency, canned water can seriously come in handy. Here's why you should can it yourself -- and why it's better than bottled water, too.

Both versions include water, sugar, dextrose, citric acid, salt, sodium citrate, and monopotassium phosphate, as well as ...

Best of all, they're BPA-free. That's especially important since BPA—a chemical found in loads of packaging, canned foods, and water bottles—has been linked to obesity, according to a study ...