A new study reveals that the adult human brain continues to produce new neurons throughout life, a process that is highly active in older individuals with exceptional memories but severely limited in those with Alzheimer’s disease.

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"Your body feels great, it feels like a holiday," he told the BBC.

That is not only a sadness and a loss, but becoming an aged society is a cultural and economic threat. Older people, by and large, are not the innovators or new thinkers. An ageing society risks declining in optimism, creativity and, above all, risk-taking: a top-heavy preponderance of older people makes for a conservative and fearful electorate. We are there already – and it’s getting worse.

The Global