Soybean oil, rapeseed oil, corn oil – healthier than butter?

For a long time, they were treated as scapegoats in the world of health-conscious diets: for years, it was believed that sunflower, corn, soy, and canola oils caused inflammation, contributed to obesity, and even heart disease. However, the latest scientific findings suggest the opposite: vegetable seed oils – consumed in appropriate quantities and quality – can be particularly beneficial. Vegetable oils are often criticized, mainly due to their high content of omega-6 fatty acids, particularly linoleic acid. It was assumed that this fatty acid could promote inflammatory processes in the body. However, an analysis presented at a recent American nutrition science conference (Nutrition 2025) came to the opposite conclusion: those with higher levels of linoleic acid in their blood had lower levels of inflammation and insulin resistance markers. Several reputable institutions – including Harvard and the American Heart Association – have previously emphasized the importance of ...