Lean, leafy and green: Why kale and Swiss chard are summery superheroes

Summer officially arrived last week, and with it will come a bounty of fresh fruits and vegetables, courtesy of Canadian farmers and growers. And while strawberries, tomatoes and carrots might be some of the friendliest produce to the palate, this is a great time to expand your horizons to the green, leafy vegetables that are the rulers of the nutritional kingdom.

http://life.nationalpost.com/2012/06/26/lean-leafy-and-green-why-kale-and-swiss-chard-are-summery-superheroes/