Source: Science Magazine
PSA: If you're experiencing any scary or weird symptoms, see a doctor. Reading Cracked is not a substitute for actual medical advice. -Ed
As you all know, we're dealing with an outbreak of respiratory disease that makes you cough and stuff ... right? That's only the tip of the iceberg. It turns out this thing can do all kinds of weird things to your body.
Source: The New York Times
Source: The College of Optometrists