Which of the following is NOT necessarily a reason that obese people have trouble losing weight?

A) Fat tissue has a lower metabolic rate than lean tissue.
B) Once a person has lost weight,it takes fewer calories to maintain his or her current weight.
C) The tendency toward obesity may be genetically based.
D) Obese people tend to lack willpower.

Metabolic Rate

The rate at which the body uses energy, crucial for processes like breathing, circulating blood, and cell growth.

Obese People

Individuals having a Body Mass Index (BMI) of 30 or higher, indicating a high amount of body fat in relation to height.

Lean Tissue

Body tissue that is composed of muscles, organs, and bones, excluding fat, often associated with overall health and metabolic function.