- THE PROFOUND IMPACT OF A CANCER DIAGNOSIS ON MENTAL HEALTHby Lynda BernsteenFor those of us who have heard the words, “you have cancer”, the emotional impact cannot be described. Do you feel like you are on a roller coaster of emotions every day? Are you experiencing uncomfortable changes in your relationships? Do you feel hopeless and depressed? Read this post to learn all about the mental health challenges that can come with a cancer diagnosis and what you can do to cope.