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" For instance, sulforaphane, considered one of the more active components in cruciferous vegetables, kills human leukemia cells in a petri dish while having little impact on the growth of normal cells.8 As we’ve discussed, cruciferous vegetables include broccoli, cauliflower, and kale, but there are many others in this family, such as collard greens, watercress, bok choy, kohlrabi, rutabaga, turnips, arugula, radishes (including horseradish), wasabi, and all types of cabbage. "
― Michael Greger , How Not to Die: Discover the Foods Scientifically Proven to Prevent and Reverse Disease
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" human liver cells in in vitro studies.65 A single confirmatory clinical (human) trial has been published in which a purple sweet potato concoction successfully dampened liver inflammation better than a placebo.66 When it came to suppressing the growth of human liver cancer cells in a petri dish,67 cranberries beat out the other most common fruits in the United States: apples, bananas, grapefruits, grapes, lemons, oranges, peaches, pears, pineapples, and strawberries. Other studies have found that cranberries are also effective in vitro "
― Michael Greger , How Not to Die: Discover the Foods Scientifically Proven to Prevent and Reverse Disease