Columbus Discovered America, and Syphillis?

Well actually, he didn't discover either, but he may have introduced Europe to each:

New skeletal evidence suggests Columbus and his crew not only introduced the Old World to the New World, but brought back syphilis as well, researchers say.

Syphilis is caused by Treponema pallidum bacteria, and is usually curable nowadays with antibiotics. Untreated, it can damage the heart, brain, eyes and bones; it can also be fatal.

The first known epidemic of syphilis occurred during the Renaissance in 1495. Initially its plague broke out among the army of Charles the VIII after the French king invaded Naples. It then proceeded to devastate Europe, said researcher George Armelagos, a skeletal biologist at Emory University in Atlanta.

I would imagine the crew was pretty frisky after being on ship for so long.  They, and the rest of Europe, may have paid for it.