Definition. Rickets (in children) and osteomalacia (in adults) are two forms of a metabolic bone disease resulting from vitamin D deficiency. Both cause softening and weakening of bones because of defective or inadequate bone mineralization. Rickets. Copyright Â© Nucleus Medical Media, Inc.
The flow from west to east: Disease. In terms of diseases, the Columbian Exchange was a wildly unequal affair, and the Americas got the worst of it. The flow of disease from the Americas eastward into Eurasia and Africa was either trivial or consisted of a single important infection.
Obviously the Columbian exchange benefited the European and American People because the regained more of a population boom and benefited by Native American Crops like a hundred different varities of Corn, Cocoa Beans, Tamatos, hundreds of potato Tubers, Different breeds of Beans and Squash, Tobaco for ciggarettes, Chocate, Gold , silver, Copper, oil, sports, millions of Miles of land that belonged to the Native AmerAmerica white Europeans benefited from this more than any other Immigrant.