Some research suggests that inappropriately expressing anger—such as keeping anger pent up—can be harmful to one’s health. Suppressing anger appears to make chronic pain worse, while expressing anger reduces pain.
Research shows about 1 in 13 U.S. adults has experienced anger issues. Anger is a common symptom among adults seeking mental health treatment. In a study of 1,300 adults seeking treatment, half reported experiencing moderate-to-severe anger and one-quarter reported extreme anger leading to aggressive behavior.
In extreme or dysfunctional forms, anger may also lead to adverse health consequences and trigger maladaptive behaviors, including workplace hostility, domestic violence and criminal behavior.
There’s also evidence that anger and hostility is linked with heart disease, peptic ulcers and stroke. Physical signs of anger include:
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- Rapid heart rate, rise in blood pressure
- Increased breathing rate
- Increased body temperature, feeling hot on upper body
- Increased energy levels
- Tense muscles, tightness in chest or stomach
- Headache, dizziness
Anger is common among individuals with depression, anxiety, post-traumatic stress disorder (PTSD), panic disorders, agoraphobia and personality disorders.
Emotional signs of anger include:
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- Feeling restless, irritable, resentful
- Feeling anxious or tense
- Poor decision-making
- Low tolerance levels, impatience
Behavioral signs of anger include:
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- Pacing
- Clenching jaws or fists
- Crying or screaming
- Being physically inactive
- Craving and consuming more tobacco, alcohol or illegal substances
Anger is also linked to sociodemographic characteristics:
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- A study of 34,000 U.S. adults found anger is especially common among men and younger adults and is associated with decreased psychosocial functioning.
- Younger individuals are more likely to be both perpetrators and victims of aggression and violence than other age groups.