What Percentage of Legally Sold Medical Marijuana Tests Positive for Pesticides, Mold, or Yeast? A. 75% B. 50% C. 25% D. 0%

Two recent studies reveal that up to 50% of products in Maine’s medical cannabis market may be tainted with pesticides, harmful microbes, yeast, and mold. Unlike recreational-use products, medical cannabis in Maine currently does not undergo mandatory testing.