ELi5: What causes tears to form when you cry or experience pain?
In: Biology
From what I have understood after a decent amount of research, tears are purely formed to show other people that you’re sad or in distress, in simple words.
The tears we release with crying actually help the body to eliminate chemicals that build up in the brain from stress, sadness, anger, etc. Our eyes produce different types of tears and is a way for the body to communicate emotion and feeling.
Source: https://www.aao.org/eye-health/tips-prevention/all-about-emotional-tears
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