Stress and difficult life situations – the main reasons for the development of depression and other mental illnesses. Genes only determine predisposition to a particular deviation. Much greater role played by childhood trauma, domestic violence, social crises.
In the last decade, scientists analyze the genetic factors influencing the possibility of occurrence of various diseases. Despite some progress, to say that a certain gene is responsible for the development of a certain disease science to date. One gene may have a connection with hundreds of others and respond with dozens of signs.
The need to study situations in life, says Professor of clinical psychology University of Liverpool Peter Kinderman. And the money spent on genetic research could be spent on help for people experiencing material difficulties or psychological.