February 20th, 2017
Kale, quinoa, avocado: Which superfoods are really super and which are a lot of hype?
From turmeric to coconut oil to green tea, it seems every year there's a new batch of superfoods we're supposed to include in our diets. But which health food favorites actually deliver? NBC News health and nutrition expert Madelyn Fernstrom helps set the record straight.