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How willpower works

Research indicates that willpower can be strengthened like a muscle — and is a key predictor of success in life

By Deborah Kotz

 |  Globe Staff  

  November 07, 2011

Willpower is one of the most important predictors of success in life. While small studies through the years have linked high levels of self-control to better health, relationships, and finances, a landmark study published this past January provided the strongest evidence to date. And taking on specific habits - like brushing your teeth with the opposite hand - can increase levels of self-control. One psychologist likened willpower to a muscle: “If you exercise it, you can make it stronger,’’ he said.

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