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They are the green artichokes that you steam, then dip the leaves in lemon butter and scrape off with your teeth. They have edible hearts and an inedible choke.
We got this book after reading an article in the Wall Street Journal. From Day 1, my husband felt better. His spirits are up, and I see the joyful and optimistic man I married returning! He sees the results, and has become absolutely manic about sticking to the diet. During the first few days he was worried about all the things he couldn't eat - now he raves about all the things he still CAN eat, and is loving it all.