The ability to delay gratification as a child may lower a person's chances of being overweight later in life, according to new research.
Researchers found that people who were better able to put off receiving a reward at age 4 had lower body mass indexes (BMIs) three decades later, when the researchers followed up with them. For every minute that children resisted the temptation to eat a marshmallow placed in front of them, their BMIs decreased by . . .