Superfoods?
It’s really hard to tell what to eat these days, one minute something’s good for you, next it might just as well be poison. Sales of blueberries, walnuts and spinach and other more esoteric things like goji berries, spirulina and chlorella have taken off in the past few years as, everywhere you look, something seems to be telling you about their particular 'health' benefits. Eat them, we're told, to help reduce the risk of cancer and heart disease. But where’s the science? Actually, there is no definition of superfood. It gets applied to foods from oats to walnuts, spinach to yoghurt, turkey to watercress and beetroot . Meat and fish contain protein and other nutrients. Fruit and vegetables also contain essential vitamins, minerals and other phytochemicals (bioactive non-nutrient components) that are good for health. Labelling some as superfoods could give the impression that they are more health-enhancing than others. The fruits and vegetables given the superfood tag tend ...