Chronic Stress and Health — How to Break the Vicious Cycle?

Chronic Stress and Health — How to Break the Vicious Cycle?

Everyone knows the feeling of stress before an important conversation, an exam, or a presentation. The heart beats faster, breathing quickens, thoughts sharpen. This is a normal, evolutionarily programmed response that helps us act more effectively in the face of a challenge. The problem arises when this state does not pass — when stress becomes the backdrop of our daily lives.

Acute Stress vs. Chronic Stress

Acute stress is a short-term reaction, usually directly related to a specific event. After it ends, the body returns to balance. Chronic stress works differently: it lasts for weeks or months, often without a clear peak. It may be related to a difficult family situation, work overload, financial problems, or a loved one's illness. Sometimes it is hard to pinpoint a single specific cause — the body simply cannot "switch off."

From a biological standpoint, the difference is fundamental. In acute stress, the hypothalamic-pituitary-adrenal axis (the HPA axis) activates, releases cortisol and adrenaline, and then returns to normal. In chronic stress, the HPA axis remains constantly activated. Cortisol levels stay elevated for a long time, and this has specific consequences for the entire body.

What Does Chronic Stress Do to the Body?

Elevated cortisol, maintained for weeks, leaves a clear mark on physical health. Research shows a connection between chronic stress and a higher risk of cardiovascular disease, insulin resistance, weakened immunity, and intensified inflammatory states.

Typical physical symptoms reported by people living in chronic stress: muscle tension (especially in the neck and shoulders), headaches, digestive problems, frequent infections, sleep disturbances, exhaustion despite rest, heart palpitations. Many people spend years going from one specialist to another looking for the cause of these complaints — without connecting them to stress.

Chronic exposure to cortisol also affects brain structures responsible for memory and emotional regulation. Research has shown that it can lead to changes in the hippocampus — the area responsible for learning — and to overactivity of the amygdala, which processes fear and threat. This explains why people under chronic stress often have difficulty concentrating, are more irritable, and react with anxiety more quickly.

Psychological Effects of Chronic Stress

At the psychological level, chronic stress manifests primarily as constant tension, irritability, a sense of overload, and difficulty "switching off." It is often accompanied by intrusive thoughts, rumination — going in circles around the same problems — and a pessimistic outlook on the future.

The data from Poland is concerning. In 2024, over 78 percent of working Poles observed at least one symptom of burnout in themselves. As many as 56 percent reported psychosomatic effects of stress. The number of sick leave certificates due to mental disorders increased by nearly 14 percent — stress reactions and adjustment disorders accounted for more than 10 million days of sick leave.

If stress persists too long without effective coping, it can develop into an anxiety disorder, depression, or burnout. This is not a character weakness — it is a predictable consequence of overloading a nervous system that has not had the chance to recover.

How to Effectively Reduce Stress Levels

Stress coping strategies can be divided into those that work on the body and those that work on thinking. The best results come from combining both.

At the physical level, regular physical activity is one of the most effective tools for regulating the nervous system. Even 30 minutes of walking per day lowers cortisol levels and improves mood. Sleep is equally important — chronic stress and sleep deprivation enter a vicious cycle: stress makes it harder to fall asleep, and lack of sleep intensifies the stress response. Jacobson's progressive muscle relaxation technique or diaphragmatic breathing, which activates the parasympathetic nervous system, can also be helpful.

At the psychological level, a well-documented tool is mindfulness training, particularly the MBSR (Mindfulness-Based Stress Reduction) program. Research confirms that just 8 weeks of regular practice reduces biological stress markers as well as symptoms of anxiety and depression.

Cognitive-behavioral therapy (CBT) helps identify and change unhelpful thinking patterns, such as catastrophizing ("everything will definitely fall apart") or an excessive sense of responsibility for things beyond our control.

Another simple but underrated strategy is setting boundaries. Chronic stress very often stems from a chronically overfilled schedule and difficulty saying "no."

When Self-Help Is Not Enough

Self-help techniques work well if stress has not yet become embedded in deeper patterns. But there is a point at which working on your own becomes insufficient.

Contact a specialist if stress symptoms have lasted longer than a few weeks and clearly affect daily functioning; if insomnia or severe physical pain appears without a clear medical cause; if stress begins to affect relationships with loved ones or work; or if a sense of hopelessness appears.

At Centrum Psychologiczne Sztuka Harmonii in Gdansk, we work with people overwhelmed by stress on a daily basis. Our specialists — Magdalena Raba, MA, and Anna Lewicka, MA — help you see what truly lies behind chronic tension and develop effective strategies tailored to your specific life situation.

If you feel that stress has begun to take control of your life, call 732 059 980 and schedule your first consultation.