Walnuts Are The World’S Healthiest Nut. They Pack More Nutrients And Antioxidants Than All Other Nut Varieties. Walnuts Originated In Ancient Persia Before Spreading Across The World. They Became A Popular Item On Trade Routes And Were Often Gifted To Royalty. The Romans Thought The Nut Would Counteract Poison And Treat Skin Conditions, While In Traditional Chinese Medicine They’Re Used To: Detox The Kidneys Nourish The Blood Promote Gastrointestinal Health Modern Scientists Have Found Evidence To Support Many Of These Claims. While Studies Have Traditionally Focused On The Benefits Of The Whole Nut, Newer Research Suggests That Pressing It Into Walnut Oil Retains Its Health-Boosting Effects. Walnut Oil Is Available At Most Grocery Stores And Can Be Used In Place Of Most Other Cooking Oils In Recipes, Sauces, And Dressings. It’S Suitable For Pan Frying, But Try To Avoid Cooking It At Too High Of A Temperature. At Its Smoking Point, Around 320°F, It Can Lose Some Nutrients And Develop A Bitter Taste.