However, using prospective data from the UK,11 Finland12 and Sweden,10 we have reported that inflammatory overactivity during childhood, adolescence and young adulthood (increased levels of IL-6 at age 9, CRP at age 15 and ESR at age 18) are associated with increased risk of psychotic symptoms or diagnosis of schizophrenia subsequently in adulthood. Here, CRP is linked to schizophrenia.