There seem to be so many people who are depressed that we really should take a look at the causes of depression in the first place. The factors that contribute to depression are well-known, and well-researched, but what causes it is not quite understood. New studies have uncovered some of the factors that contribute to the probability of people developing depression.
Stress
Stress takes the first place prize. It's true that any stressful environment or situation can lea...