Background and Aims: Immunohistochemical tests are one of the most important tests, which are under study to determine the prognosis of the cancers such as transitional cell carcinoma. By the time, flexible cystoscopy and urine cytology are the routine tests for following up the patients with transitional cell carcinoma, which are both operator dependent. On the other hand, cystoscopy is an inv...

Two papers in the Journal this week focus on the potential impact of cannabis use on mental health outcomes. Di Forti et al (pp. 488–491) examined the risk of psychosis associated with use of high-potency cannabis. They found that individuals presenting with a first episode of psychosis were no more likely than local population controls to have ever taken cannabis but the former were more likel...