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Key takeaways
- Anger involves coordinated brain, hormone, and bodily responses rather than a single anger hormone.
- The amygdala helps activate threat responses, while the prefrontal cortex contributes to regulation.
- Recognizing physical warning signs and allowing arousal to subside can help explain and manage anger.
What Hormones Are Involved in Anger?
There is no specific hormone known as the \"anger hormone.\" However, certain hormones are associated with anger responses. For example, adrenal glands release adrenaline and noradrenaline in response to stress or perceived threats. These hormones prepare the body for the fight-or-flight response and are associated with increased heart rate, blood pressure, and energy levels.
When you become angry, your sympathetic nervous system activates, leading to the release of these two hormones. Further, cortisol levels may rise, contributing to heightened arousal and vigilance during anger episodes[1].
Like other emotions, anger is experienced in our bodies as well as in our minds. In fact, there is a complex series of physiological (body) events that occur as we become angry.
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Anger and psychotherapy
View profileUnderstanding Anger: Hormones and the Brain
The physiological response to anger is complicated, involving several hormones, brain chemicals, and specific areas of the brain like the amygdala and prefrontal cortex.
The Amygdala and Anger
The amygdala participates in evaluating emotionally significant information, including potential threats. It works with other brain regions rather than acting as the single origin of emotions.
Fast emotional responses and deliberate reflection involve overlapping brain processes. A simple contest between an “emotional brain” and a “rational brain” does not capture this complexity.
In other words, our brains are wired in such a way as to influence us to act before we can properly consider the consequences of our actions. This is not an excuse for behaving badly—people can and do control their aggressive impulses, and you can, too, with some practice. Instead, it means that learning to manage anger properly is a skill that has to be learned.
The Prefrontal Cortex and Regulation
Emotion regulation involves interacting brain networks, including the amygdala and prefrontal cortex. Research reviewed by Salzman and Fusi describes thinking and emotion as intertwined processes, rather than assigning each to a separate brain region[3].
The prefrontal cortex is not an emotional off switch. Managing anger involves learning how to respond to feelings, rather than trying to eliminate them.
Relaxation and changes in how you interpret a situation are practical ways to work on your responses.
The Role of Catecholamines in Anger
As you become angry, your body's muscles tense up. Inside your brain, neurotransmitters known as catecholamines, such as adrenaline and noradrenaline, are released, causing you to experience a burst of energy lasting up to several minutes. This is what causes the fight-or-flight response[2].
This burst of energy is behind the common angry desire to take immediate protective action. At the same time, your heart rate accelerates, your blood pressure rises, and your rate of breathing increases. Your face may flush as increased blood flow enters your limbs and extremities in preparation for physical action. Your attention narrows and becomes locked onto the target of your anger[2].
Soon, you can pay attention to nothing else. In quick succession, additional brain neurotransmitters and hormones (among them adrenaline and noradrenaline) are released, which trigger a lasting state of arousal. You're now ready to fight.
As Dr. Brindusa Vanta, MD, says, \"Another catecholamine—dopamine—is also involved in anger. This neurotransmitter modulates the intensity of anger responses, affecting the perception of threat. More research is needed to fully understand the role of dopamine in anger.\"
Recognizing Anger: Signs and Symptoms
Although many of us may be aware of when we are feeling angry, it’s important to know the early physical signs of anger that can indicate a fight-or-flight anger response, such as:
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- Increased heart rate and breathing \n
- Muscle tension, particularly in the jaw, shoulders, and fists \n
- Flushed or red face \n
- Clenched jaw or fists \n
- Rapid speech or speaking loudly \n
- Feeling hot or sweaty \n
The reason you experience these physical effects is because of the release of catecholamines. Adrenaline increases your heart rate, blood pressure, and respiration, while noradrenaline enhances alertness and vigilance. These hormones cause blood vessels to constrict, redirecting blood flow to major muscle groups and increasing energy levels to deal with perceived threats[2].
The Wind-Down Phase After Anger Subsides
If anger has a physiological preparation phase during which our resources are mobilized for a fight, it also has a wind-down phase as well. We start to relax back toward our resting state when the target of our anger is no longer accessible or an immediate threat. It is difficult to relax from an angry state, however.
Though we do calm down, it takes a very long time for us to return to our resting state. During this slow cool-down period, we are more likely to get very angry in response to minor irritations that normally would not bother us.
The same lingering arousal that keeps us primed for more anger can also interfere with our ability to remember the details of our angry outbursts clearly. Arousal is vital for efficient remembering.
As any student knows, it is difficult to learn new material while sleepy. Moderate arousal levels help the brain learn and enhance memory, concentration, and performance. There is an optimum level of arousal that benefits memory, however, and when arousal exceeds that optimum level, it makes it more difficult for new memories to be formed.
High levels of arousal (such as those present when we are angry) significantly decrease your ability to concentrate. This is why it is difficult to remember details of really explosive arguments.
Stress Hormones and Everyday Coping
Stress activates hormone responses that prepare the body to respond to a challenge. Heart rate, breathing, and blood pressure can rise as part of this response[4].
Long-lasting stress can affect sleep and health. These effects are a reason to address ongoing stress; they do not establish that an individual’s anger is caused by a particular hormone imbalance[4].
NIMH recommends noticing stress triggers and using coping strategies such as regular sleep, exercise, and relaxation. If distress persists or interferes with daily life, professional support can help[4][5].
Daily habits that support coping with stress include:
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- Seeking social support and engaging in positive social interactions that can buffer against stress and promote emotional resilience \n
- Maintaining a healthy lifestyle with balanced nutrition, adequate sleep, and limited caffeine and alcohol intake, which can help stabilize hormone levels and support overall health \n
- Practicing relaxation techniques, such as deep breathing, meditation, or yoga, to lower cortisol levels and promote emotional well-being. \n
- Engaging in regular physical activity and exercise, which can help regulate hormone levels and reduce stress \n
As Dr. Brindusa Vanta, MD, says, \"Mindfulness-Based Anger Management (MBAM) is a newer therapy that combines mindfulness techniques with traditional anger management strategies. MBAM helps improve emotion regulation and decrease aggressive responses.\"
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