Artistic nude is a way sitters experience their body as work of art. For some people it is a way to gain confidence with their body and consequently feel better about themselves. I also have photographed people who only saw in the nude photography a challenge to experience. But nudity or nude images has a mix feelings in society, while some people seems to be scared of it some others see the art and beauty in it. It's true that precaution is needed when choosing a photographer, so models should do their homework and get to know the photographer before posing for them.