What Happens to Your Body When You Cook with Foil?

9. Respiratory Risks During Cooking
When aluminum foil is exposed to a direct flame or heated to extreme temperatures in the oven, microscopic particles may be released into the kitchen environment. Inhaling these particles in enclosed spaces without proper ventilation can be irritating to the respiratory system. Health Hazard: Breathing in vapors from directly heated foil can irritate the lungs and may trigger chronic coughing in sensitive individuals or those with asthma.