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No, you should not eat any food that has been left at a temperature above 40 ºF for a total of more than 2 hours. Bacteria need time as well as a warm and moist environment to grow and multiply. Most food-borne illness-causing organisms grow quickly above 40 °F. Some bacteria can double their numbers every 20 minutes at temperatures above 40 °F. In a few hours, bacteria on food can cause an illness or form "toxins" that might not be fully destroyed by cooking.