Is mindfulness making us ill?

It’s the relaxation technique of choice, popular with employers and even the NHS. But some have found it can have unexpected effectsI am sitting in a circle in a grey, corporate room with 10 housing association employees – administrators, security guards, cleaners – eyes darting about nervously. We are asked to eat a sandwich in silence. To think about every taste and texture, every chewing motion and bite. Far from being relaxed, I feel excruciatingly uncomfortable and begin t