Approximately 1,500 biochemical reactions are triggered within your body when you experience a traumatic event. These reactions are designed to help you handle a threat.
As you recognize a threat or danger Adrenaline and several endocrine hormones are released into your bloodstream.
Increased glucocorticoids stimulate the hippocampus. The Hippocampus is responsible for converting an experience into a lasting memory.
The Headington Institute states that :
Other effects of increased adrenaline and endocrine hormones in combination include:
Increased cortisol production. Cortisol is a steroid that counters pain and inflammation and keeps blood-sugar at a certain level.
Increased blood sugar. This blood sugar is used to feed your brain and muscles.
Increased heart rate. Blood is pumped more quickly around your body.
Changes in blood-flow. Arterial blood pressure increases. Blood is diverted away from your hands, feet and stomach, and towards your brain and major muscle groups. This helps the brain assess the threat and prepares the muscles for action.
Increased platelet levels. More platelets in your bloodstream help your blood to clot better and faster if you are physically injured.
Increased endorphin levels. Endorphins help to dull any pain you might experience. This helps you ignore pain long enough to act in ways that might help you survive.
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I can tell you from personal experience that it is useful to have these responses at the exact moment or onset of trauma ---- however sustained high stress levels cause continued damage on your body, mind and spirit.
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