too much sun in places such as Greenland, where the summer days often cause insomnia, could lead a person to suicide, according to Swedish researchers. Despite the belief of suicides increased at the end of autumn and early winter because of the darkness, new findings suggest that the determining factor could be live in places of constant in the seasons of summer sun.
Karin Sparring Bjorksten the Karolinska Institute in Suiza:
for long periods of constant light, it is crucial to maintain something of the circadian rhythm in order to sleep long enough and keep mental health ”
according to the world Organization of the 877.000 health of the world’s people commit suicide each year. Scientists had previously linked disturbances of sleep with increased risk of committing suicide, but in people with psychiatric disorders and in adolescents. But it was not known relationship with the population in general. studies were done between 1968 and 2002 in the suicides of Greenland, in particular, those that occurred in the summer months. These summer effects were in the North of the country, a place where the Sun is visible between the end of April and August.
Discovered that the suicides were almost exclusively violent and increased during periods of constant light. In the North of the country, 82% of suicides occurred during the months of permanent light ”
in almost all of them (95%) were involved young men and were violent, such as fire or jumping from high places. The researchers speculate that light creates an imbalance in serotonin, a chemical in the brain, which may increase impulsivity. That in combination with the lack of sleep would lead people to suicide.
Light is one of many factors in the complex tragedy of suicide, but this study shows that there is a possible link between the two ”
Tags: Sun, suicide, suicide rates
