‘Welcome to middle age.” This is what my GP said to me 10 years ago when I asked her why I needed this pill or that. Being then just shy of 50, that hit home. Now being just shy of 60, I mutter those words to myself at least once a day. There’s a long list of aches, pains and assorted maladies about which to mutter. High up on that list are my shoulders. Bloody agony, both of them. Picking something off a high shelf or fishing for something on the back seat of the car have had to become planned events to be undertaken only if absolutely necessary.

I interviewed Prof Alice Roberts this week. A writer, broadcaster,........

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