Cooking with vegetable oil to reduce saturated fats can lower cholesterol, but it may not help curb the risk of heart disease or add years to your life, U.S. researchers say.
Plenty of previous research has linked polyunsaturated fat in vegetable oil, nuts and seeds with a lower risk of heart disease. Based on these studies, people have been routinely advised to replace animal fats like butter, cream and lard with plant-based oils made from corn, soybean, canola and olives.
But this has never been proven by gold-standard studies that randomly assigned people to specific diets to . . .
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