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...migrate to the centre. Once the surface of the wound is covered with a new, thin layer of cells, blood vessels form to service the new tissue, and slowly, a layer of scar tissue forms over the top. Healing, however, doesn’t always go according to plan. Many people with diabetes develop foot ulcers as an indirect result of chronic high blood sugar levels destroying nerve...

...migrated to America from Iran as a teenager, says with complete sincerity that if observing audiences night in, night out has taught him anything, it’s that comedy can have a profound impact on how we feel, and even how we act. He recounts seeing people arrive at comedy clubs looking utterly miserable, but then leave with a smile on their face, visibly transformed –...