Wouldn’t it be nice if we could erase disease with these happy organ erasers? Sadly the on

Wouldn’t it be nice if we could erase disease with these happy organ erasers? Sadly the only two diseases to be eradicated worldwide are smallpox and rinderpest. We are still working to get rid of polio, yaws, dracunculiasis, malaria and so many more. 

If you had magic powers, what disease or condition would you choose to wipe off the face of the Earth?