After about 3 years of study, the World Health Organization published the following list of the best food.
Best vegetables: sweet potato - rich in vitamins, cancer prevention, selected as the top of all vegetables. Others include asparagus, cabbage, cauliflower, celery, eggplant, beets, carrots, shepherd's purse, broccoli, golden straw mushroom, xuelihong (雪里紅), and bok choy (Chinese cabbage).
Best fruits: papaya, strawberry, orange, mandarin orange, kiwi, mango, apricot, persimmon and watermelon.
Best meat: the chemical structure of ducks meat and geese meat are close to that of olive oil, good for the heart. Chicken is called "the best source of protein"
Best cooking oils: corn oil, rice bran oil, sesame oil, etc. is better, vegetable oil next
Best soup: chicken soup, especially the soup made from hens can fight flu and bronchitis. The soup is most suitable for winter and spring.
Guardians of the brain: spinach, chives, pumpkin, onion, cauliflower, peppers, peas, tomatoes, carrots, green cabbage, garlic, celery and other vegetables, walnuts, peanuts, pistachios, cashews, pine nuts, almonds, soybeans and other nuts, brown rice, liver and so on.
