A low-carb diet is the most effective dietary choice to lose weight - in fact there's a 99% probability that someone will do better on low carb, compared to other diets. And the risk factors for heart disease also improve more than on low-fat diets. That's the findings of yet another published review of the science:
Sceptics will rightly point out that the review was supported financially by Atkins Nutritionals, so this specific paper is clearly less trustworthy than other similar earlier reviews and studies without such ties. Like these:
It apparently does not matter who funds the study. A low-carb diet has won comparative studies more than 20 times and never lost to low-fat. Not once. That's 20+ to zero.