20 common cooking mistakes that ruin your food or healthBy Nish Rathor / February 17, 2025 14. Deliberate Some people prefer to roast their food for additional crunch, but such food may deteriorate their health. Blackness in food is carbon, which is a known carcinogen. Source: Internet Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20