Why Do Onions Make Us Cry?
Source: Medical News Today
Monday, August 07, 2017 | Medical Studies
You know that familiar feeling: tingly, stinging eyes, followed by tears. Why would the humble onion, a key ingredient in your next culinary creation, cause you such discomfort?
For plants and animals alike, life is all about survival and reproduction. Onions are no exception. To stop greedy predators from eating the bulbs, onions release volatile chemicals that cause our eyes to well up.
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