Why do we get memory lapses?

According to research published in The BMJ in 2002, around 40% of people experience some age-associated memory impairment after reaching 65. Thankfully only 1% of those affected will then go on to have dementia each year.
But still, it’s important to be aware of how effective your memory is, whatever your age. An impairment can be a sign of cognitive decline, which becomes more likely the older we get.
How does our memory actually work? What happens when we have a memory lapse then? In under 3 minutes, we answer your questions!
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A podcast written and realised by Joseph Chance.
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