Once regarded as vulgar and lurid adornments fit only for sailors, criminals and rock stars, tattoos have become increasingly socially acceptable in recent years. Body art is a practice stretching back more than 5000 years, having religious and tribal roots. Here in the 21st century it’s become almost mainstream, attracting growing numbers of passionate enthusiasts, including many trendsetting celebrities. Inevitably, this has led to controversy, with some psychoanalysts suggesting the…