And they gather a lot of honey-the stuff makes up around 15 percent of their total caloric intake.

I have not seen health problems caused by the very low caloric intake.

The lower overall nutritional quality of diets, increased average caloric intake and decreased levels of physical activity have all been posited as significant influences.

How did you come up with numbers—like number of people and caloric intake—for the study?

In my studies with groups of people, we determine 25 per cent of normal caloric intake for each study participant, using a precise formula.