Hmm. Checking my body mass index, it appears that my result (18) indicates that I am 'underweight' (a BMI of 25 is required for the Special K diet, we are told; to attempt it with less, we surmise, is potentially hazardous.)
To this I say: PAH!
You won't catch the Intellectual Hooligan wimping out of his Special K diet on account of some trifling BMI nonsense.
On which note:
I believe it's BREAKFAST TIME ...