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1 .This is Scientific American 60-Second Science. I'm Cynthia Graber. This'll just take a minute.
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2 .When we're stressed out, self-control can flag.
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3 .And so we might, say, reach for a candy bar instead of an apple.
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4 .But California psychologists wondered: what if when we're stressed we fall back on habits, whether good or bad.
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5 .The researchers conducted a battery of tests.
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6 .In one, students rated the strength of their habits regarding breakfast choices and whether they read a section of the newspaper.
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7 .And they reported their actions during stressful exam weeks.
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8 .In another test, MBA students were offered healthful or sugary snacks before or after exams.
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9 .They rated how frequently they usually ate those types of snacks.
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10 .The scientists found that when the subjects' willpower was depleted, they fell back on habits.
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11 .If they usually read a section of the newspaper or ate cereal, they clung to their default during the exams.
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12 .If they usually ate a doughnut, they did so even more frequently when stressed.
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13 .The research is in the Journal of Personality and Social Psychology.
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14 .The finding could mean that if you habitually grab fruit for a snack,
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15 .you'll likely keep doing so, especially, when stressed.
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16 .One less thing to get stressed about.
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17 .Thanks for the minute, for Scientific American 60-Second Science. I'm Cynthia Graber.
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