Award-winning GP Dr. Sermed Mezher warns of overlooked bowel cancer symptoms after young man’s diagnosis at 28. Joe Faratzis had stage four colorectal cancer. Initial symptoms included blood in stools, changing bowel habits, and abdominal pain. Colorectal Cancer Alliance also flags unexplained weight loss and nausea as important signs. Factors like age, smoking, and poor diet can increase risk. Early detection crucial for survival.