The following are some of the concepts addressed in the new consensus statement:

We will get into those as follows. 3,500 kcal = 1 lb: This rule of thumb, according to the consensus panel, is an inaccurate predictor of weight change and should be avoided. The 3,500-kcal/lb rule is based on the assumption that body weight changes linearly over long periods of time, which is not true. Resting energy expenditure decreases as an individual loses weight due to less body mass (not a "slow metabolism," as is commonly assumed).

Table convert calories to pounds.