Watercress: Is It the Single Most Healthy Vegetable?
                                
                                
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                                    3 min read                                
                            
                                According to a Centers for Disease Control and Prevention (CDC) study, watercress received a perfect nutrient density score of 100, ranking it as the most nutrient-dense powerhouse fruit and vegetable. This recognition places the peppery green at the top of the list, but does that make it the single most healthy vegetable for everyone?