Not exact matches
Specifically, Ebbeling's
group studied three dietary paradigms: an Atkins»
low - carb
diet (60 percent of
calories from fat, 10 percent from carbs); a mixed
diet with foods generally
low on the glycemic index (40 percent of
calories from fat, 40 percent from carbs); and a
low - fat
diet with a mix of carbohydrates generally high
on the glycemic index (20 percent of
calories from fat, 60 percent from carbs).
When comparing the two
groups, the rate of weight gain was almost double
on higher - versus
lower -
calorie diets, and patients receiving more
calories were hospitalized for an average of seven fewer days, without an increased risk of refeeding syndrome.
The mice fed
on a
low calorie diet were found to experience an extreme increase in NPGL expression, while the 5 - week high - fat -
diet group saw a large decrease in NPGL expression.
Meanwhile, the
low - carb
group actually reported feeling better
on the
diet, noting less weariness and, despite eating fewer
calories than they were used to, none complained of hunger.
Overweight men were put
on a 12 - week
low -
calorie diet and randomized into two
groups.
In this study, participants were put
on a very
low calorie diet — 1200
calories per day in the
low calorie group (LCD), and 800
calories per day in very
low calorie (VLCD).
I've mentioned in other comments here that the
low protein
group in [Levine 2014](http://www.sciencedirect.com/science/article/pii/S155041311400062X) were probably eating a lot of empty
calories to get to 8.5 % E; that true protein restriction is
on varied WFPB
diets is unlikely — moderation to the 10 % -15 % range is more likely; and that Dr. Greger is pulling some values (like the 73-fold risk for diabetes) that aren't terribly meaningful given the small sample size.
It looked at a
group of obese individuals who were put
on a very
low calorie diet (800
calories per day) and assigned to either aerobic exercise (walking, biking, or jogging four times per week) or resistance training (three times per week without aerobic exercise).
The study's aim was to test the effects of MCTs during a
low calorie diet, it was performed
on obese women split into three
groups.
Another
group of people that could benefit from a
diet this
low on calories is obese people.
The Mediterranean
diet group was placed
on a moderate fat, restricted
calorie program rich in vegetables and
low in red meat, with poultry and fish replacing beef and lamb.
(side note: I did find this recent study
on a small
group of obese patients following a very
low calorie ketogenic
diet over a period of 2 years.