USM's Mark Silber studies folk remedies and homeopathy such as using honey for a cold or rubbing a raw potato to cure warts to find out how they work.
"There are a lot of home remedies that have been incorporated into the mainstream," said Silber to the Bangor Daily News. "Look at digitalis from the foxglove plant that is now a common drug for heart problems."
Similar to modern medicine, every folk remedy has side effects from mild to extreme, he said.
Silber, an assistant professor of social and behavioral science, has a doctorate in medical anthropology. He wrote The Complete Book of Everlastings and Growing Herbs and Vegetables From Seed to Harvest.
Read the full story at Bangor Daily News.