Amazing Medical Advertisments from the Past woodblock prints from 19th-century Japan

The University of California, San Francisco (UCSF) maintains a collection of 400 health-themed woodblock prints from 19th-century Japan. The collection -- which includes drug advertisements, illustrated instructions for treating and preventing contagious diseases, and visual guides to the human body -- offers a unique look at Japanese medical knowledge in the late Edo and early Meiji periods. Here are a few images from the collection.