What is the healtiest foods ?

Both.
Eating a wide range of the healthiest foods contributes to disease prevention and longevity. This healthy food list includes healthy nutritious snack foods like:

• SEAFOOD (Shellfish : Clams, Mussels; Salmon : omega-3 fatty acids, Crab : and immunity-boosting zinc)
• GRAINS AND BEANS (Quinoa, Wheat Germ, Lentils, Pinto Beans, Skim Milk)
• VEGETABLES (Onions, Artichokes, Ginger, Broccoli, Spinach, Bok Choy or Chinese cabbage, Squash or Butternut or Pumpkin or Acorn, Watercress or Arugula, Garlic
• FRUITS (Apricots, Avocados, Raspberries, Cantaloupe, Cranberry Juice, Tomato, Raisins, Figs, Lemons/Limes)
• NUTS : Almonds (In addition to the heart protective monounsaturated fats in almonds, their skins also contain flavonoids, compounds which are thought to protect cells against free radical damage); Walnuts (Walnuts make the list because of their unusually high content of omega 3 fatty acids); Pistachios (Pistachios may be one of the best nuts for lowering your cholesterol), Peanuts, Hazel nut

COOKING : "Healthiest Way of Cooking" methods to make your cooking easier (do not burn the calori), and also save you time and money. Healthy EATING PLAN at dinner, lunch, breakfast (change your life for the better, enjoy more energy and vitality)