Is It OK To Eat Moldy Food? - Health - TODAY.com

This March 2, 2011 photo shows cave-aged Gruyere, background, Jasper Hill Farm Bayley Hazen Blue, middle, and parmigiano-reggino in Concord, N.H. Some artisanal cheesemakers swear by "raw" milk _ straight-from-the-udder and unpasteurized _ saying it gives their products personality and depth of character by retaining the good bacteria that otherwise are killed during pasteurization.  (AP Photo/Matthew Mead)
This March 2, 2011 photo shows cave-aged Gruyere, background, Jasper Hill Farm Bayley Hazen Blue, middle, and parmigiano-reggino in Concord, N.H. Some artisanal cheesemakers swear by "raw" milk _ straight-from-the-udder and unpasteurized _ saying it gives their products personality and depth of character by retaining the good bacteria that otherwise are killed during pasteurization. (AP Photo/Matthew Mead)

You’re famished for a bit of cheese, but you notice a blue spot on the chunk of cheddar in your fridge. Is it OK to slice off the bad part and eat the rest?