Q: What exactly are urban legends? A: Urban legends are popular stories alleged to be true and passed from individual to individual via oral or written (e.g. forwarded email) communication.: What exactly are urban legends? A: Urban legends are popular stories alleged to be true and passed from individual to individual via oral or written (e.g. forwarded email) communication.
When a person gets injured, their brains release chemicals called opioids into the space between neurons that acts to dull the pain signals. The effect is seen the most in the brain regions called the ventral striatum, amygdala, midline thalamus, and periaqueductal gray.
When you are in labor naturally, your body responds to the contractions and oxytocin with the release of endorphins, a morphine-like substance that helps prevent and counteract pain. When you receive Pitocin, your body does not know to release the endorphins, despite the fact that you are in pain.