Jennette McCurdy developed an eating disorder on the set of ‘iCarly’. The 30-year-old former actress shot to fame as a teenager playing Sam Puckett on the hit Nickelodeon sitcom alongside Miranda Cosgrove but claimed that she was left “anxious” because of the amount of food her character had to eat as a running gag. She said: “It’s tragically hilarious. It made me so anxious because my character was constantly eating.I tried speaking with the producers on a couple occasions, asking if we could dial back on that stuff.” The ‘Sam and Cat’ star went on to explain that although she tried speaking …