Reheating Cooking Oil: A Silent Killer? Dietitian Warns of Cancer Risk
Lifestyle
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News18•23-01-2026, 18:11
Reheating Cooking Oil: A Silent Killer? Dietitian Warns of Cancer Risk
- •Repeatedly heating cooking oil breaks down its natural structure, forming dangerous toxic chemicals like aldehydes.
- •Oxidation of unsaturated fats in reused oil leads to the formation of harmful substances such as acrolein, 4-HNE, and 4-HHE.
- •These toxic chemicals increase bad cholesterol, cause DNA breakdown, and raise oxidative stress and inflammation in the body.
- •Consumption of food cooked in reused oil significantly increases the risk of heart attack, cardiac arrest, liver, kidney problems, and various cancers.
- •Trans fats, formed from repeatedly heated oil, are linked to heart disease, atherosclerosis, stroke, and paralysis.
Why It Matters: Reusing cooking oil creates toxic chemicals and trans fats, significantly increasing the risk of cancer and heart disease.
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