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Research shows that busy people have sharper minds and better memories.
Scientists say that packing more into the day increases the opportunity to learn new things, stimulating and challenging the brain.
Some 330 healthy men and women in their 50s, 60s, 70s and 80s were quizzed about their daily schedules and put through a battery of mental tests.
The results showed that no matter how old they were or how well educated, a busy lifestyle was linked to a healthy brain.
Busy people processed information more quickly and had superior memory, reasoning and vocabulary to those who took it easy.
Dr Sarah Festini, of the University of Texas at Dallas, said: ‘that people who report greater levels of daily busyness tend to have better cognition, especially with regard to memory for recently learned information.’
Researcher Professor Denise Park said: ‘We were surprised at how little research there was on busyness, given that being too busy seems to be a fact of modern life for so many.’
Writing in the journal Frontiers in Aging Neuroscience, she added that future research could look at whether becoming busier boosts the brain.