What Is an Adrenaline Rush?
Adrenaline is a naturally occurring hormone in the body. During an adrenaline rush, the hormone, which is also known as epinephrine, is released in response to situations which may be exciting, dangerous or threatening.
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Function
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The function of the adrenal gland and the release of adrenaline helps a person to cope with stressful or emergency situations. A boost of glucose and oxygen are sent to the brain and muscles while other bodily functions are suppressed.
Significance
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An adrenaline rush can be important in a "fight or flight" situation as the effects that the hormone has on the body temporarily improve physical performance.
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Effects
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Epinephrine has many effects on the body including increased oxygen and glucose to the brain and muscles, dilated pupils, increased heart rate and the elevation of blood sugar levels.
Warning
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There are some people who have become addicted to having an adrenaline rush. If the hormone is released often enough, the body begins to memorize the associated feelings which can ultimately lead to a serious addiction which can be just as difficult to quit as any other addictive drug.
Fun Fact
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Certain people have experienced "super" strength during an adrenaline rush in emergency situations and have been able to lift cars, helicopters and other heavy objects that humans cannot lift under normal circumstances.
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