A selfie project documenting a young woman's battle with a hair-pulling disorder has been watched more than five million times on YouTube. <br />21-year-old Rebecca Brown from Essex took a photo of herself every day for six years to show how she'd been affected by trichotillomania - a condition which leaves a person feeling compelled to pull their hair out. <br />Brown has been on YouTube since 2007 and has almost 200,000 subscribers on her channels. She tells BBC Trending about how she uses social media to cope.
