When I suggested, a while back, that walking was fabulous for health, I thought I was giving readers of this column sound advice.

All the evidence suggests that it’s good for mental, physical and environmental health, as well as being something many people find pleasurable. Who, I thought, could object?

Well, the man who wrote to tell me that he had tripped over his walking stick and fractured his ankle certainly did. (Sorry about that.) As did the lady who became so enthused by the prospect of reaping all those benefits I had mentioned that she decided to walk everywhere, only to have her bunion become infected – requiring antibiotics and surgical drainage. (I do apologise.) So too, the distinguished editor who, I understand, is still requiring treatment for foot pain. (Again, mea culpa.)

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