Is weight simply a matter of willpower? You might think so, given the number of dieters who add on exercise, subtract food, and expect excess fat to melt away. But it does not always happen that way. Older athletes notice the fat that creeps on year after year seems harder to lose. And others who have slimmed down complain how easily they regain lost body fat.
The Endocrine Society (www.EndocineSociety.org) took a close look at why we can too easily accumulate excess body fat, as well as why it’s so easy for dieters to regain lost fat. (1) They describe fat-gain as a disorder of the body’s energy balance system, not just a passive accumulation of excess calories. They highlight many factors other than food and exercise that influence body fatness, including genetics, the environment, and evolution. Continue Reading