Crying is known to increase the tolerance level of pain. This effect might be associated with the crying-induced release of opioids, which are endogenous substances that act via opioid receptors ...

Crying is a natural response to emotions, stress and pain. Why can't some people cry? Experts explain the mental and physical reasons that make it hard to tear up.

When tears become messengers. Lisa Thornton, a 34-year-old marketing director from Atlanta, couldn’t understand why she kept crying during her morning commute.

Crying is a natural and often uncontrollable reaction we have to sadness, grief, joy, and pain. Is crying good for your ... These tears contain a higher level of stress hormones than other types ...

One of the primary causes of crying is fatigue. Tears are a social signal, which communicate our distress. But those facts only scratch the surface of why we cry ...

In one analysis of 140 years of popular articles about crying, 94 percent promoted crying as beneficial and warned readers that suppressing tears would be deleterious to the body and mind.