suicide

A study conducted in the Harvard School of Public Health, associated coffee consumption with a reduction of about 50% in the risk of suicide in men and women. The work was published in The World Journal of Biological Psychiatry.
Analysing data from three large studies involving more than 208,000 people, researchers found that those taking two to four cups of caffeinated coffee daily have a lower tendency to suicide than those who ingested decaffeinated coffee or does not drink.