First-degree relatives are 4 to 6 times more likely to attempt or complete a suicide . The data set shows that this brain surface thinning was present before these people developed mental problems , and was found in both children and grandchildren of depressed people , said Dr. Bradley Peterson , psychiatrist at Columbia University Medical Center and co-author of the study . Still , says expert , `` genetics is not destiny '' it's the result of many factors that can be controlled by parents and other family members. Ernest Hemingway committed suicide , and so did several of his relatives .
First-degree relatives are 4 to 6 times more likely to attempt or complete a suicide . Still , says expert , `` genetics is not destiny '' it's the result of many factors that can be controlled by parents and other family members. Ernest Hemingway committed suicide , and so did several of his relatives .