Year: 2003 Source: The Neuroscientist, v.9, no.3, (June 2003), p.172 SIEC No: 20040343

This article briefly reports on the role of seasonal variations in sunlight & their affect on serotonin turnover in individuals suffering from suicidal ideation. It is argued that the relationship between sunlight & serotonin explains the presence of increased suicide rates at higher latitudes. (2 refs)