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An adrenaline rush is the fight or flight response of the adrenal gland, in which it releases adrenaline (epinephrine).

When releasing adrenaline, one's body releases dopamine which can act as a natural pain killer. An adrenaline rush causes the muscles to perform respiration at an increased rate improving strength. It also works with the nervous system to interpret impulses that trigger selective glands.

If people like this feeling they may be more inclined to become risk takers, engage in risk seeking behavior such as pathological gambling because in a sense they become addicted to the effects^{[citation needed]}

See alsoEdit

• Adrenaline junkie
• Acute stress reaction
• Panic attack
• Post Traumatic Stress Disorder
• Rest and digest
• Risk aversion
• Risk taking
• Stressor
• Tend and befriend
• Vasoconstriction