INDIANAPOLIS (WTHR) — You've probably never realized it, but you have different types of tears.
Three different types, actually.
When you're sad or overjoyed, have something irritating your eye, or just for lubrication — each type of tear has a different purpose and different makeup.
To delve deeper into the truth about tears, 13News reporter Dustin Grove spoke with Marc Peyser, an editor at Reader's Digest about their recent article on it. You can watch the interview in the media player above.