… rag doll dogs: they’ve reached an unearthly level of chill that the rest of us can only aspire to. Having a greyhound rest its head on your knee is a proven antidote for stress — and as for their appearance, well, laughter is the best medicine. Their gentle, affectionate personalities make you feel calm by association. They love children and would make the perfect therapy animals. If the NHS handed out greyhounds on prescription, we would solve the anxiety epidemic in two shakes of a very thin tail.