Midlife dementia: are you losing your mind or just your keys?

Scientists say brain disease affects many people in their late forties — a decade earlier than 20 years ago. Here’s how to fight back
Memory begins to fail at 45
Memory begins to fail at 45
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We’ve all done it. Finding yourself at the top of the stairs, wondering what you’ve come up for. Or wandering around a room miming something with your hands. “What am I miming?” you muse. “Oh, a bottle-opener. So that’s what I came in for.”

It’s the middle-age brain, full to the brim with mundane tasks and pop-up fantasies, skipping across tracks like worn-out vinyl. Occasionally losing the beat entirely. We expect our brains to behave with the efficiency of smartphones, but scientists now say that our memory generally begins to fail at the tender age of 45.

It’s a fact of life, but the disturbing thing is that failing mid-life memory could also be the first sign of premature dementia. New research indicates that the