Life Prince Harry said he is triggered flying into London and uses EMDR to cope. What is it? May 21, 2021May 23, 2021 Alia E. Dastagir, USA TODAY Comments Off on Prince Harry said he is triggered flying into London and uses EMDR to cope. What is it? EMDR has been used for decades, but is becoming an increasingly popular and sought-after treatment to deal with traumatic or adverse life experiences.