It’s a huge organ that gives us the energy to live, grow and repair. But how does it work – and how do you keep it healthy? Our science editor unravels its astonishing job
The diet industry benefits if you become a customer for life: its profits soar with our failures, says psychotherapist, psychoanalyst and social critic Susie Orbach
Every day, around the world, 2bn cups are consumed. But what actually happens after you swallow that first mouthful? Here is everything you need to know