Kirsten Scheller had a very common colon cancer symptom at 19 and saw multiple doctors. She wasn't diagnosed until she was 22, at stage 3.

A new study finds colon cancer cases are skyrocketing in younger adults, becoming the top cancer killer of Americans younger than 50.

Colon cancer is now the leading cause of cancer-related deaths for men under 50 in the United States, according to new research published in the Journal of the American Medical Association.

Dr. Bethany Malone has treated a lot of colorectal cancer patients. The youngest, not counting those with genetic conditions, was 19 years old.

Which red flags which could signal bowel cancer? - Possible warning signs include blood in the stool, fatigue, unexpected weight loss and persistent abdominal pain

By Dr. Sanchari Sinha Dutta, Ph.D. A large electronic health record study suggests that difficulty recognizing painless blood in urine may delay diagnosis and worsen long-term survival for bladder cancer patients with color vision deficiency,