Dr Koegler observes that subjects with a lower body mass index (BMI) may have simply been more honest in reporting their frequency of chocolate consumption, which is indeed important to consider. Space constraints precluded retention of text present in our initial submission stating
Reporting bias could be postulated: people with lower BMI may feel more at liberty to acknowledge greater frequency of chocolate consumption; but . . . this is rendered less likely by specificity to chocolate frequency (vs chocolate amount or other calorie consumption).