What is officially the healthiest vegetable on Earth?: Exploring Nutrient Density
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5 min read
According to a 2014 study by the Centers for Disease Control and Prevention (CDC), watercress received a perfect nutrient density score of 100, providing a data-driven answer to the question: **What is officially the healthiest vegetable on Earth?**. This tiny green powerhouse far outranked other famously healthy vegetables, establishing itself as the most nutrient-dense food analyzed.