Dr. Marc Greenfield, psychologist, discusses the lasting effects of tragic events like the Boston Bombings. (CBS4)

Dr. Marc Greenfield, psychologist, discusses the lasting effects of tragic events like the Boston Bombings. (CBS4)

A South Florida psychologist shares his expertiese about how children & adults can cope with the stress & the trauma associated with tragic events like the Boston Marathon bombings. Click on above picture to watch entire interview.