This new study, published September 13 in the American Journal of Clinical Nutrition, has been popping up in my feed lately and this opinion article from the LA Times explained the nuances of the study in a way I could wrap my mind around. Here are the salient points:
If this understanding of obesity is correct, the energy-balance model has obesity backward: Overeating is a response to growing fatter (that is, to our fat tissues hoarding calories) rather than an underlying cause of growing fatter. Further, whatever raises insulin levels excessively in our blood is likely to be the true culprit in obesity.
The great mistake, according to proponents of the carbohydrate-insulin model, was blaming refined carbohydrates primarily for their energy content, their calories, rather than for their influence on our hormones.
If the carbohydrate-insulin model is correct — and its proponents acknowledge that we need more research before saying so with absolute certainty — it suggests a radically different approach to restoring health to the nearly three-quarters of American adults who are overweight. Instead of aiming to eat fewer calories, an approach that follows from the energy-balance model and that has failed for so many of us, we should replace the refined carbohydrates in our diets with healthy fats and protein without much concern for counting calories. Such a high-fat, low-carbohydrate diet would lower insulin levels and allow our fat cells to release the calories they are hoarding.
Thoughts? I could almost get behind this if not for the line about "without much concern for counting calories." Most of us shorter people with low calorie requirements have eliminated most processed food by necessity anyway - too many calories, not filling enough - and weight loss is still a bitch.
I also think, if they wanted to turn this into a national recommendation, that 'refined carbohydrates' would need to be very well defined. Wheat bread? Corn tortillas? So many foods are sort of on the line.
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