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Brain Cell Loss Myth

After age 30, we lose 18 million brain cells per year. However, we also grow billions of new dendrite connections as we age. Scientists recently busted the age-old belief that as we grow older, we naturally start losing intelligence and memory. In tests matching healthy 70-year-olds and 20-year-olds, the old folks outperformed the youngsters in long-term memory tests, and fell slightly behind in short-term memory. However, with practice, they could learn to hold their own in short-term memory tests too.
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