Can you run out of willpower? Scientists say yes.
A few years ago, a team of scientist led by Roy Baumeister did a study to determine if willpower was something that was finite, or inexhaustible.
They took two groups of people for the study. Both groups were given a plate of radishes and a plate of cookies. The first group was told they could eat all the radishes they wanted, but they were not allowed to eat the cookies. The second group was told they could eat whatever they wanted without limits.
After a while, the groups were given a series of unsolvable math problems and told they could give up whenever they wanted. The group that had no restrictions spent an average of 20 minutes before giving up, but the group that had to use their willpower to keep from eating the
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