I know that she has been suffering (https://www.huffpost.com/entry/jennette-mccurdy-eating-disorder_n_5c812d61e4b0e62f69ea8363) from an eating disorder (https://people.com/health/icarly-jennette-mccurdy-eating-disorders/):
https://twitter.com/jennettemccurdy/status/1218660769690079233

And there was just a blind item (https://moviechat.org/tt0972534/iCarly/5e1fb6a440ca0f34d2b0a368/AGC-Blind-171-ENTERTAINMENT-LAWYER-0114-13) allegedly posted about her and Miranda Cosgrove the other day.