Superfoods: The Real Story S02E06 - Salmon, Tiger Nut and Dandelions

Kate Quilton goes salmon fishing in Oregon. But which kind of salmon is best, wild or farmed? In Spain, she gets to grips with tiger nuts - which could be good for our guts. And then it's time for dandelions - packed full of vitamins, with a long history in traditional medicine, Kate investigates whether this most common of weeds deserves a closer look.