Irvine Welsh with the same name in 2013. "Glue" (2001) was a return to the locations, themes and episodic form of "Trainspotting", telling the stories of four characters spanning several decades in their lives and the bonds that held them together. Having revisited some of them in passing in "Glue", Welsh brought most of the "Trainspotting" characters back for a sequel, "Porno", in 2002. In this book Welsh explores the impact of pornography on the individuals involved in producing it, as well as society as a whole, and the impact of ageing and maturity in individuals against their will. The book is
Irvine Welsh directed his first short dramatic film, "NUTS", which he co-wrote with Cavanagh. The film features Joe McKinney as a man dealing with testicular cancer in post Celtic tiger Ireland. It was released in 2007. Welsh co-directed "The Right to liberty", a chapter of the documentary film "The New Ten Commandments", in 2008. In 2009 Welsh directed the film "Good Arrows" (co-directed by Helen Grace). It was written by Welsh and Cavanagh. The film is about a darts player who suffers from depression which causes him to lose his skill. As well as recreational drug use, Welsh's fiction and non-fiction is