In Japan, one of the fastest-aging countries in the world, an estimated 1 in 4 people over the age of 65 has dementia or mild cognitive impairment. And Alzheimer’s, the most common form of dementia, accounts for about two-thirds of all cases in the nation.
The condition could affect a family member, a neighbor — or even you, decades from now.
But it’s not all doom and gloom.
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