7 human diseases the world is on the cusp of eradicating

Not too long ago, it was commonplace for people across the globe to die horrific, painful, disfiguring deaths from illnesses they couldn't control.

Today, many of those diseases have begun to disappear, thanks in part to revolutionary science like the kind that just won three scientists the 2015 Nobel Prize in Medicine.

Here are the seven diseases we are on the edge of wiping out completely: