The Germ Theory of Disease

by Kristin Thiel

From ancient times until the early nineteenth century, many medical practitioners believed that the body contained four humors: blood, yellow bile, black bile, and phlegm. Humoral doctrine stated that balancing these humors was the key to health. Then in the mid-1800s, Louis Pasteur, Joseph Lister, and Robert Koch shattered these misconceptions and established our modern understanding of germs. These scientists were pioneers, and their legacy is medical...

• Format: Library Binding
• Language: English
• ISBN: 1502627744
• ISBN13: 9781502627742
• Release Date: July 2017
• Publisher: Cavendish Square Publishing
• Length: 128 Pages
• Weight: 1.00 lbs.
• Dimensions: 0.6" x 6.1" x 9.1"
• Age Range: 14 to 17 years
• Grade Range: Grades 9 to 12