Contemporary market innovations and their unexpected physiological effects – key insights you need to know
Julia Wójcik
2026-05-19
6 min. read
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Beneath the surface of seemingly ordinary, day-to-day routines often lie intriguing phenomena: the items we incorporate into our daily lives may exert—whether beneficial or detrimental—an influence on our bodily functions that the vast majority of us remain entirely unaware of. We invite you to explore the latest breakthroughs in nutritional science and clinical medicine, which are certain to pique your curiosity and expand your understanding of human health in unexpected ways
Why do we cry when we cut onions?
So the onion cells contain amino acids that contain sulfur and enzymes. When we cut them, we break them down, and the juice comes out of the onions, where the enzymes activate themselves by breaking down the amino acid. Then, under the influence of chemical reactions, the juice produces 1-sulfopropenyl acid, which in turn quickly turns into the vaporizing S-oxide of thiopropanol. When combined with water (e.g. in the capillary fluid) it produces sulfuric acid. The reaction that occurs in the eye starts neutralizing the acid which is accompanied by the release of a large amount of water, which is sulfurization.
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