DETOXIFIER

Collard greens are milder than kale and hardier than spinach—and they could be your ticket to feeling clearheaded and energized all holiday season. That’s because the greens are rich in

sulforaphane—a nutrient that scientists at the University of Bridgeport in Connecticut say switches on the liver’s detox pathways to break down and excrete pesticides, pollutants and other toxins in as little as 72 hours.