My particular focus of late has been overconsumption of fat which I suggest will stall (or bring to a grinding halt) weight loss, and some of my back posts reflect this.
In support of my stance take a look at Ivor Cummins' talk with Dr. Ted Naiman. The relevant part of the conversation starts at 13.03 and there is a link in the description if my link doesn't work.
Low carb diet gets a favourable mention in major Survey linking diabetes 2, BMI and heart disease.
Where are Mr and Mrs Joe Bloggs?
Comfort food ... and diabetes
NHS 'Diet guidelines'
Temptation is ringing my bell