On collision course with tragedy

The theme is simple enough: getting banged in the head repeatedly is bad for your health. So bad in fact that your brain may well rot, leaving you to live out the last years of your shortened life with dementia. If you are lucky then none of this will come to your neighbourhood, let alone your front door. If you are less fortunate then it may arrive and ring your bell, and stay a while before moving on. Or worse.

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