The risk is extremely low, but still exists (because price pressure and contamination risks). Some diseases could also spread via undercooked milk or meat. It

The risk is extremely low, but still exists (because price pressure and contamination risks). Some diseases could also spread via undercooked milk or meat. It's funny though. Do you like eating hair with your pizza? Flours often contain l-cysteine, for price reasons often produced not in a laboratory, but through the hydrolysis of human hair (mostly from asian countries iirc), poultry feathers, or hog hair.