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The scientist said forgetting was
. She said it keeps the brain working
. The research found how people removed
from their brain. The researchers said we can remove information from our
. This is important to be able to focus on important
. Although we can control what we forget, the
of forgetting needs a lot of
. Another researcher said that forgetting "no-longer-relevant information" is useful, "but it doesn't happen
". Researchers will now look at
we forget simple things like where we left our
.
