Here is a nice study--permission or registration may be required to view the full text:
http://http://www.aaojournal.org/art...abstract?cc=y=
If viewing is not allowed to aao journal, you can search for title:
Caffeine Increases Tear Volume...
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Caffeine May Increase Tear Production
Last edited by Bill Sonoma County; 23-Aug-2015, 08:43. -
Caffeine can help produce more tears - medical study
I found this story on caffeine and tear production and that it can increase it dramatically. It looks like an interesting study. I looked her on the blog for another post but didn't find one. Could be helpful for some. I hate getting addicted to any substance but if a steady dose with have lasting power,...