Dr Stuart Murray, a world expert on muscle dysmorphia, has estimated around 1% of the UK population has the illness or symptoms of it, but that could be just a fraction of the real picture because many sufferers are too ashamed to seek treatment.
http://news.sky.com/story/1169320/bodybuilding-obsession-leading-to-bigorexia
http://news.sky.com/story/1169320/bodybuilding-obsession-leading-to-bigorexia
