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Eating Well As You Get Older

Frequently Asked Questions

41. Why is it important to keep hot foods hot and cold foods cold?

Illustration of a thermometer and bacteria with the text Danger Zone - Click to enlarge in new window.
Click to enlarge image

It is important to keep hot foods hot and cold foods cold because bacteria grow quickly in the "danger zone" between 40 degrees and 140 degrees Fahrenheit. Just keeping food warm (40 to 140 degrees Fahrenheit) is not safe. Most foods are safe after cooking to a safe internal temperature and refrigerating promptly.