Greger suggests that accepted "average" iron levels are too high. Lower than average could help reduce cancer rates. What's the Best Ferritin Level to Lower Cancer Risk? | NutritionFacts.org #Michael_Greger #nutrition #vegan #diet https://nutritionfacts.org/2020/03/17/whats-the-best-ferritin-level-to-lower-cancer-risk/?mc_cid=17aaefe9b2