I can not remember who said this,   but somebody did :-) and I agree.

If you are trying to keep up on 'good' nutrition topics,

 and you are not confused yet,
you aren't trying very hard.

 

Sugar Free  ~  Fat Free  ~  Gluten Free  ~  Low Calorie 

 Wheat Free  ~  Low Cholesterol  ~  Low Carb 

 

What's left? Those don't even include specific allergies!