According to the publication Biological Psychiatry, a team of nutritionists and psychologists together and conducted the study, said that if every day to drink two cups of coffee, it will help reduce by one-half the risk of suicide.
According to M. Lucas, together with colleagues in the Department of nutrition at Harvard school of public health, those who drink 2-4 cups of coffee a day are less prone to suicide, in contrast to those who drink do not drink. M. Lucas says that such a substance like caffeine has the ability not only to strengthen the work of the Central nervous system, but also acts as an antidepressant. When people drink natural coffee, the neurotransmitters in the brain are much faster, and this means that the human body produces the hormone of happiness.
The experiment was conducted in several stages. In the period 1988-2008 year, in the experiment, the Health Professionals Follow-up Study participated 43.6 thousand men. The researchers studied what action produces coffee on the male body. 1992-2008 year experiment Nurses' Health Study observed the body approximately 74 thousand women, and from 1993-2007, it was decided to do a parallel study, which was attended by 91 thousand women.