POP QUIZ: What’s Good On Salad And On Hair? (Hint: It’s Not Kale)

No longer considered a poor man’s food or simply a garnish, watercress is a leafy green cruciferous that is worthy of the label “super food”. A peppery vegetable in the Brassicaceae family along with broccoli, cauliflower and rocket, it is cultivated almost exclusively in spring-fed streams. Watercress has high levels…