Alison Aubrey, an NPR health correspondent and expert on colorectal cancer, discusses the concerning rise in colorectal cancer rates among those under 50. She emphasizes the importance of early screening, recommending that it starts at age 45. The conversation explores various screening methods, including colonoscopies, and the often uncomfortable preparations involved. Aubrey also highlights lifestyle factors that can increase risk and provides actionable tips for proactive health management and early detection.