'Most young people ignore them': Harvard liver doctor warns of 7 early signs of colon cancer as 'cases double under age of 55'

Colon cancer is now the leading cause of cancer death for adults under fifty-five. Persistent changes in bowel habits and blood in stools are key early indicators, explains Harvard-trained Dr Saurabh Sethi. Unexplained weight loss and continuous bloating also signal potential issues. Tenesmus and iron deficiency anemia are further signs to monitor closely. Early detection through awareness and screening is vital for effective treatment.