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 bonding and human connection.
  • Crying signals that there's some important problem that is at least temporarily beyond your ability to cope.
  • Tears show others that we're vulnerable, which is critical to human connection.
  • Crying is also used in manipulating others.

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The Science of Crying

time.com

MORE IDEAS FROM THE ARTICLE

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. There is also no evidence that holding back tears would have a negative effect on the mind and body.

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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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Crying is more than a symptom of sadness. It can also be triggered by empathy, surprise, anger, or grief.

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RELATED IDEAS

We don't only cry when we experience feelings of sorrow or unhappiness. We also shed tears to express positive states of love or joy.

A recent survey found that 68 per cent of respondents reported crying from a positive experience at least once a month.

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There’s something in my eye: why we happy-cry and what it does for us | Psyche Ideas

psyche.co

Flying Changes our Mind and Body

Taking a flight creates physical and emotional changes in us, something that is now being more extensively researched. Air travel can change our mood, make us emotionally weak (more crying) or sad, and even change how our senses work.

The factors responsible for this phenomenon are the high altitude, the reduced air pressure, inadequate oxygen going in the brain and overall anxiety associated with flying.

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How flying seriously messes with your mind

bbc.com

The Common Cold

With over 200 different kinds of viruses that make up the common cold, Science is struggling to find a cure.

Adults suffer this elusive, widespread, and infectious disease 2 to 4 times a year, and children up to 10 times.

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Why can't we cure the common cold?

theguardian.com