Fear of medical interventions is often caused by imagining graphic and disturbing images of the future which heighten anxiety: this may also extend to other walks of life. This episode uses the 'rewind technique' to encourage thinking about the future as opposed to imagining undesirable things. While medical treatment is rarely enjoyable, it can be associated with positive thoughts, giving the brain the opportunity to go for a better alternative. How to combat fear of the unknown, of walking into darkness? - Think positive and constructive thoughts.