Aug 8, 2015. Along with an estimated 500,000 people – male and female –in the UK, Jazz has body dysphoria – what used to be called gender identity disorder: the belief that there is a mismatch between your biological sex and your gender identity. Jazz Jennings talks about being a transgender teen in 2015. Discover the best Telegram bots – news, games, music, weather, polls, e-butlers or cat images right…