Vegan

…“A long-term diet that’s high in red meats (such as beef, pork, lamb, or liver) and processed meats (like hot dogs and some lunch meats) raises your colorectal cancer risk.”

…

According to the study, the iron in red meat seems to activate an enzyme called telomerase, which helps cancer cells grow in the colon. Essentially, this means that eating red meat might be helping cancer cells to spread. According to the researchers, this new discovery could help scientists understand how to tackle colon cancer more effectively.