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Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter.

When I celebrated my 50th birthday (some time ago now), my dear wife gave me some sobering advice: “It’s all about maintenance now,” she said. She was not wrong.

From that date, I began to notice that my body’s operating system was not as robust as it once was. I tried to cut down on the alcohol and keep up the exercise. But my joints became creakier. My…