Full Text:
Since prehistoric times, humans have used clays for medicinal purposes. Whether through ingestion, mud baths, or as a way to stop bleeding from wounds, clay has long helped keep humans healthy. Scientists have found that certain clays possess germ-killing abilities, but how these work has remained unclear.
A new discovery shows two specific metallic elements in the right kinds of clay can kill disease-causing bacteria that infect humans and animals.Image credit: Arizona State University
