What Chronic Anger Does to Your Body

Anger affects more than your mood

Anger does not only happen in your mind. Your whole body joins in. Your heart beats faster. Your blood pressure rises. Your muscles tighten. Your breathing becomes quicker and shallower. Your body gets ready to protect you or fight back.

This response is normal. It can help when you are in real danger. But if it happens again and again — or you keep replaying an argument long after it is over — your body may stay on high alert for too long.

Over time, that can affect your heart, sleep, energy, digestion and general health. Let’s look at what the research tells us, without scary claims or made-up numbers.

Your heart and blood pressure

The link between anger and heart health has been studied more than any other physical effect. Research has found that frequent anger and hostility are associated with a greater risk of heart problems. They are also linked with poorer health in people who already have heart disease (Chida & Steptoe, 2009).

Angry outbursts can also place extra strain on the heart for a short time. A large review found that heart attacks, strokes and heart rhythm problems happened more often in the two hours after an angry outburst than at other times (Mostofsky, Penner, & Mittleman, 2014).

This does not mean that one argument will cause a heart attack. For most people, the risk from one outburst is small. The concern is greater when anger happens often, or when someone already has high blood pressure, diabetes or heart problems.

How quickly does your body calm down?

Your blood pressure naturally rises when you are angry. What matters is how long it stays high.

You may stop shouting but continue the argument in your head. You remember what the person said, imagine what you should have said, and prepare for the next fight. Researchers call this rumination. It can keep the body’s stress response active even after the situation has ended (Brosschot, Gerin, & Thayer, 2006).

Your body can react to the replay almost as if the argument is happening again. That is why calming your thoughts matters as much as calming your voice.

The wear and tear of ongoing stress

Your body is designed to handle short bursts of stress. It is not designed to stay in emergency mode all day.

When the stress response switches on too often, or does not switch off properly, it creates wear and tear in the body. Researchers sometimes call this allostatic load (McEwen, 1998). In everyday language, it means your system is working too hard for too long.

You might notice:

• Tight shoulders or a stiff neck
• Headaches
• Jaw clenching or teeth grinding
• An unsettled stomach
• Feeling tired even after sleeping
• A racing heart or tight chest when upset

These symptoms are real. They are signs that your body may be spending too much time braced for a threat.

Anger and poor sleep can feed each other

Anger can make it hard to fall asleep, especially when your mind keeps replaying the day. Poor sleep then leaves you with less patience and makes it harder to manage strong emotions the next day (Krause et al., 2017).

It can become a loop: you are angry, so you sleep badly; you sleep badly, so you become angry more easily.

If this sounds familiar, try our can’t-sleep cheat sheet or our guide to quieting a racing mind before bed.

Your immune system and healing

Long-term emotional stress can also affect the immune system. A major review found that ongoing stress was linked with changes in how the immune system works, especially when the stress lasted for a long time (Segerstrom & Miller, 2004).

One study looked at married couples during calm conversations and difficult conversations. Couples who showed more hostility during conflict healed more slowly from small, controlled skin wounds than couples who were less hostile (Kiecolt-Glaser et al., 2005).

This does not mean every disagreement makes you ill. It shows that the way we handle repeated conflict can affect the body as well as the relationship.

Is holding anger in safer?

You may think it is healthier to say nothing than to explode. But pushing anger down does not always calm the body. You can stay tense inside while looking calm on the outside — especially if you keep thinking about what happened.

You do not have to choose between exploding and bottling it up. There is a healthier third option:

1. Calm the body first.
2. Notice what the anger is trying to tell you.
3. Talk about the problem when you can think clearly.

If your anger often feels more like fear, tension or worry, read about the connection between anger and anxiety.

Simple ways to lower the physical strain

The good news is that your nervous system can learn to settle more quickly. You do not have to remove every difficult person or stressful situation from your life. Start by helping your body recover sooner.

• Slow your breathing. Make your out-breath a little longer than your in-breath. This sends a gentle “you are safe” message to your body. Try these breathing techniques for anger.
• Stop the mental replay. Notice when you are having the same argument again in your mind. Shift your attention to what you can see, hear and feel right now. These ways to calm extreme emotions can help.
• Move your body. Take a brisk walk, stretch, climb stairs or shake out the tension. Anger prepares the body to move, so safe movement can help it settle.
• Protect your sleep. Even small improvements in sleep can give you more emotional breathing room the next day.
• Deal with the real problem. Calming down is not the same as pretending nothing happened. A reset helps you return to the issue with a clearer head.

Try a two-week body check-in

Many people do not realise how often anger shows up in their body, or how long it takes them to recover. Tracking it for two weeks can make the pattern much clearer.

Use the free Chronic Anger & Body Check-In worksheet to notice your early warning signs, record how long they last, and choose a simple ROOTS Method reset.

You can also take the free anger screening to get a starting point. If you are wondering whether your reactions are within a normal range, read Is My Anger Normal?

When to speak to a doctor

This article is for education, not diagnosis. Please make a medical appointment if you have ongoing headaches, breathlessness, fainting, worrying blood pressure readings, chest discomfort, or physical symptoms that do not improve when your mood changes.

Chest pain or signs of a stroke need emergency medical help immediately. Do not wait for a worksheet or try to breathe through it.

You can simply tell your doctor: “I have been feeling angry and stressed often, and I would like my blood pressure and general health checked.” That is a sensible reason to make an appointment.

Your body is not the enemy

Your tight jaw, tense shoulders, poor sleep or unsettled stomach may be your body’s way of saying, “I have been carrying too much for too long.”

Chronic anger does not mean you are a bad person. It often means your nervous system is overloaded and something important has not been dealt with yet. Learning to calm your body is not avoiding the problem. It is what helps you face the problem with more control, clarity and care.