Why do onions make our eyes tear up?

what ingredient in them causes watery and red eyes?Why do onions make our eyes tear up?
sulfur compounds are in onions and when you slice them you release them and they make you all teary and watery red eyes.Why do onions make our eyes tear up?
See what happens when you cut them the onions release an acid in the air thus causing you to tear up every time you go to cut them.Like what you do to counte that is wear googles or something like that.
if you leave the bottom of the onion on cut and peel around it you will definately not cry or have red eyes. it is the gases in the onion but they only flow when the bottom of the onion is cut off
Hi:





Well to help me when I need to chop an onion I put it in the freezer for 15-20 minutes before chopping it and that seems to reduce the tears a lot.





But to get to you question it is NOT the juice or odor of the onion that makes us cry it is the gasses that are found naturally in the onion itself.





I did find an article with an in dept explaination and the WHY?





http://www.howstuffworks.com/question539鈥?/a>





Be safe and be well
DEAR MISS





BECAUSE THE ONIONS IS REALLY TOO STRONG AND





IF YOU ARE NOT USE TO CUTTING THEM UP THEN





YOUR EYES WILL WATER OK





TAKE CARE