Sandego.net – First on CNN: Routine blood work may hold clues that could help researchers better understand colorectal cancer diagnosed before age 45. An analysis from Epic Research found that younger adults with lower levels of two liver enzymes, AST and ALT, were more likely to later receive an early-onset colorectal cancer diagnosis than peers with higher levels.

The findings do not mean that low enzyme levels diagnose cancer or that screening recommendations should change. Instead, the research identifies a pattern that may help scientists explore why colorectal cancer cases are increasing among younger adults.…