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.
Chemical. Of course people also overindulge because it can feel greatâbefore regret sets in, anyway. The brain releases the feel-awesome chemical dopamine when we eat fat and sugar, when we drink alcohol, or even when we see new things to buy. Once the brain secretes dopamine during binges, they can become like a physical addictionâwe binge more and more because we crave the rush of chemicals.