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.
Those are both caused by the release of norepinephrine in your body. Norepinephrine is a chemical released from the sympathetic nervous system in response to stress. It is classified as a neurotransmitter, a chemical that is released from neurons.Because the release of norepinephrine affects other organs of the body, it is also referred to as a stress hormone.dditional Uses of Norepinephrine. Given the effect that norepinephrine has on our digestive system, it is commonly used by people as a dietary supplement. Norepinephrine suppresses hunger, which makes it easier to lose weight.