Longer schooling 'cuts dementia'

The raising of the school leaving age to 15 over 50 years ago could go some way to reducing dementia rates in the elderly, a study has suggested. A Cambridge University team compared the mental abilities of elderly people, and found those born after the change fared better. They say that further changes to the school leaving age could improve mental abilities and curb dementia rates more. (Hint: Using your brain to think keeps the braincells alive longer. As soon as most people leave school, they're overjoyed at the prospect of never having to think ever again. You can see where this is going, right?)
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