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Emotional crying
Charles Darwin once declared emotional tears "purposeless."
Humans are the only creatures whose tears are not only a result of pain or irritation but can be triggered by their feelings. Emotional crying remains one of the human body's mysteries.
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Competing theories
- Some ludicrous theories are that humans evolved from aquatic apes and tears helped humans to live in saltwater.
- Others persist that crying removes toxic substances from the blood that builds up during times of stress.
- More plausible theories are that tears trigger social b...
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A range of feelings
Crying is more than a symptom of sadness. It can also be triggered by empathy, surprise, anger, or grief.
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People who don’t cry
Researchers found that non-crying people had a tendency to withdraw and described their relationships as less connected. They also experienced more negative and aggressive feelings like rage, anger, and disgust.
There is no evidence that crying comes with any positive effects on health. Th...
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Photo: WHO/F. Tanggol
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