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1 .This is Scientific American's 60-Second Science. I'm Allie Wilkinson. Got a minute?
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2 .Stress sucks.
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3 .It can affect your body and mind.
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4 .Previous research has shown that stress can even hinder our ability to remember.
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5 .But these studies have typically focused on one stress at a time.
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6 .What happens when we face multiple stresses?
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7 .Researchers looked at pond snails, often used in memory research.
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8 .They trained the snails to reduce how frequently they breathe out of water.
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9 .They then tracked whether the snails remembered their training after being stressed.
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10 .The snails' memory was considered intact if they reduced their attempts to breathe when removed from water.
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11 .Two common stressors, low levels of calcium, necessary for strong shells, and overcrowding by other snails can happen in combination in the wild.
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12 .Individually, these stressors only blocked the formation of new long-term memories in the snails.
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13 .But combined, they caused the snails to forget their training, that is, they prevented any new memories from being formed.
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14 .The study is in the journal PLoS ONE.
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15 .It's thought that these snails and mammals have similar responses to stress.
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16 .Of course, when stressed out, we should remember to breathe more, not less.
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17 .Thanks for the minute, for Scientific American's 60-Second Science. I'm Allie Wilkinson.
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