One reason for this is that the field of nutrition science is a complete circle jerk. They, like many other fields, only peer review internally, they have their

One reason for this is that the field of nutrition science is a complete circle jerk. They, like many other fields, only peer review internally, they have their pet hypotheses that they repeatedly validate with crappy statistics (because that's the standard for the field!) and postdocs alsmost never come from other fields. I read a piece detail this awhile back, can't seem to find the link now.