Muscle dysmorphia, also known as "bigorexia", may now be affecting one in 10 men who visit gyms in the UK, according to the Body Dysmorphic Disorder Foundation. Subscribe to BBC News HERE http://bit.ly/1rbfUog Check out our website: http://www.bbc.com/news Facebook: / bbcworldnews Twitter: / bbcworld Instagram: / bbcnews