If you have ever chopped an onion in your life, you must have experienced the awful situation of tears running down your cheeks during the slicing process. Forget doing it for real, the mere thought of chopping onions makes me cry. So, what’s the reason behind the same? Why do onions make you cry? The answer lies in the fact that onions, when cut, produce a chemical irritant known as syn-propanethial-S-oxide that stimulates the lachrymal glands in our eyes and cause them to tear. Let’s discuss in detail how it happens.
