The incidence of liver cancer is increasing, making primary liver (and bile duct) cancer the fastest-rising cause of cancer-related death in the United States. Experts attribute this to the high prevalence of fatty liver disease, a condition associated with insulin resistance, obesity, high blood pressure and high cholesterol levels.

Green fields and forests might feel like the furthest thing from the sterile, bright, high-tech rooms where modern medical research is performed, so it’s easy to forget that it was outside, in those green spaces, where medicine got its start.