ELi5: What causes tears to form when you cry or experience pain?
In: Biology
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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