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Even brief bouts of loneliness can affect cognitive performance. SynthEx / Shutterstock.com
Chronic loneliness has already been shown to have negative health effects, including an increased risk of dementia. Now, research shows that even a day of loneliness can leave a mark, too. A recent study by researchers at Pennsylvania State University found that one or two days of loneliness coincides with decreased cognitive performance. Then, as cognitive performance decreases…