Why calories are a con | The Economist

Calorie-counting has been central to people’s understanding of weight loss for over a century. Given that the great majority of diets fail—could the calorie be one of the biggest delusions in dietary history? Click here to subscribe to The Economist on YouTube: For decades people who want to control their weight have been told to count calories. Given that the great majority of diets fail is this good advice? Could the calorie be one of the biggest delusions in dietary history?