In Japan hundreds of thousands of young people withdraw from society for years or even decades.
They are known as hikikomori and Claudia Hammond travels to Tokyo to discover more about this mysterious condition and why it is so prevalent in Japan.
Listen here: BBC World Service - The Truth About Mental Health, The Truth About Mental Health, Hikikomori
They are known as hikikomori and Claudia Hammond travels to Tokyo to discover more about this mysterious condition and why it is so prevalent in Japan.
Listen here: BBC World Service - The Truth About Mental Health, The Truth About Mental Health, Hikikomori