Crisps are a British food institution. Whether it's a bag of Walkers Cheese and Onion, Smiths Salt & Vinegar, or even Pringles, we've all been there at one point. They're delicious, addictive, and cheap to buy in bulk. However, crisps are also packed full of salt and fat - something other than what you should be eating regularly if you want to live a healthy lifestyle. Look no further if...