Stress: What It Is, Causes, Symptoms, and How to Get Rid of It

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What are the signs and causes of stress?
How stress affects health?
Is stress beneficial?
How to calm down quickly.

What is stress?

Stress is the body's natural response to external factors, known as stressors, that lead to a heightened state of alertness. This response causes changes in biological markers such as body temperature, blood oxygen saturation, glucose concentration, and blood pressure. These changes can have both short-term and long-term health consequences. Understanding the mechanisms of stress and its impact on the body helps develop effective stress management strategies, which contributes to improved overall well-being and a higher quality of life.

Signs of Stress

Stress can be identified by a number of signs that manifest themselves on both a physical and emotional level. The main symptoms include increased anxiety, irritability, fatigue, sleep disturbances, as well as physical manifestations such as headaches and muscle tension. By monitoring these signs, you can take timely measures to reduce stress levels and improve overall well-being. It is important to remember that timely recognition of stress symptoms plays a key role in its effective management and the prevention of serious health consequences.

Inability to concentrate. Routine activities take longer, it becomes difficult to do routine tasks, a person forgets what he wanted to do.
Irritability. Any little thing can set you off.
Constant fatigue. After work, you only have enough energy to watch a TV series or a cat video.
Poor health. You're often sick and experience discomfort in various parts of your body (for example, numbness, tension, itching).
Self-destructive behavior. You have started to overeat or, conversely, forget to eat, neglect sleep, smoke more and drink more often.

Stages of Stress

The classical theory of stress, developed by endocrinologist Hans Selye in the 20th century, divides stress into three main stages. These stages help understand how the body reacts to stressful situations. The first stage is the stress response, when the body actively mobilizes its resources to combat the threat. The second stage is resistance, when the body tries to adapt to the stress and maintain normal functioning. The third stage is exhaustion, which occurs with prolonged exposure to stress, when the body's resources are depleted, which can lead to various illnesses. Understanding these stages of stress allows you to better manage your health and reduce the negative effects of stress.

The Anxiety Stage. This is an emotional reaction that is triggered immediately after our brain has assessed an external stimulus as a stressor. At this stage, we haven't yet had time to rationally assess the level of danger, so the body overreacts, preparing for active action.
The Resistance Stage. At this stage, everything is resolved—our brain has already rationally assessed the stressor and is ready to actively resist it. That is, we no longer panic, but fight back, using all the resources mobilized during the Anxiety Stage. If we can cope with the stressor now, the body will begin to recover—blood pressure, heart rate, hormone levels, and other indicators will return to normal.
The Exhaustion Stage. If the stressor is not successfully addressed, the body becomes stuck in a state of alert, maintaining an emotional assessment of the situation characteristic of the anxiety phase—and cannot sustain this for long. Its resources become depleted, and stress-related illnesses begin to develop.

Causes of Stress

The causes of stress can be varied. Stress arises as a reaction to external or internal factors, such as work, personal relationships, financial difficulties, or health. Negative emotions, high expectations, and constant pressure can also contribute to its occurrence. Understanding the sources of stress is an important step toward managing and reducing it. Effective stress management techniques include physical activity, meditation, and support from loved ones. Learning the causes of your stress and actively working to eliminate them will help improve your overall quality of life.

Physical danger. A heightened state of alert helped ancient humans escape from predators. Nowadays, it's unlikely you'll encounter a hungry tiger on the street, but you can easily run into a bully or other unfriendly person.
Chronic physical problems. Malnutrition or lack of sleep.
Social circumstances. Insufficient well-being or belonging to a discriminated group.
Psychological factors. Negative memories, rejection of one's own appearance, or fear of the future.

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But running away from bullies is a pretty useful function. So, can stress be beneficial?

In situations where you need to escape from a wild animal or pursuers, using all your accumulated energy becomes an important skill for the body. This not only speeds up reactions but also increases your chances of survival. Effective management of energy resources in stressful situations helps a person make decisions and act faster. Developing such abilities can be critical for ensuring safety in emergency situations.

Frequent stress or the inability to get out of a stressful state after the danger has been eliminated can lead to the development of serious diseases. Chronic stress negatively affects health, increasing the risk of developing various diseases, such as cardiovascular pathologies, immune system disorders, and mental disorders. It is important to learn to manage stress and find effective methods to reduce it in order to maintain physical and emotional health.

What health problems can constant stress lead to?

Constant stress negatively affects the human body, leading to various disorders. This may result in the following problems:

Heart disease. During an acute stress response, a person's blood pressure and heart rate increase. This can lead to the development of coronary heart disease, in which the heart requires more oxygen than the body's systems can deliver. The ability of arteries to narrow and dilate is impaired, increasing the risk of arrhythmia and the formation of atherosclerotic plaques.
Immune system disorders. Under stress, its interaction with the nervous system is disrupted, which leads to the development of chronic fatigue syndrome. The activity of NK lymphocytes, the so-called natural killers that destroy tumor cells in the body, decreases almost in half.
Reproductive problems. In men, severe stress can lead to erectile dysfunction, in women - to the cessation of ovulation and menstruation. And in both sexes - to a decrease in interest in sex.
Insomnia. While a person normally falls asleep within half an hour, under stress, it can take several hours due to overstimulation of the nervous system. They also can't remain in deep sleep for long, preventing the body from physically recovering. Sleep deprivation impairs cognitive function: it becomes more difficult to concentrate, plan, and often even speak. Somatoform disorders. Stress can cause symptoms such as chest or abdominal pain, even in the absence of disease or organ damage. Metabolic disorders. Stress eating can lead to metabolic syndrome, which negatively impacts vascular health, leading to the development of atherosclerosis, with complications such as heart attack and stroke. Addiction development. Abuse of alcohol or other substances in an attempt to alleviate one's condition can lead to the development of chemical dependence and related diseases.

When something good happens, it can also lead to stress, can't it?

Falling in love and running a marathon are joyful experiences, but they are also forms of stress that are considered positive. Hans Selye, the founder of stress theory, termed this type of stress "eustress". Eustress promotes personal growth and increased vitality, helping people cope with challenges and achieve goals. Research confirms that people who regularly experience eustress have a reduced risk of developing Alzheimer's disease. These people also experience dementia at a much later age. Eustress, a positive stressor, promotes improved cognitive function and supports brain health throughout life. Stress can be constructive or destructive. Constructive stress, which helps us cope with tasks and overcome difficulties, becomes destructive when the emotional response to stressors goes beyond normal limits. In such cases, excessive anxiety arises, which causes discomfort and physical symptoms, such as sweaty palms or panic attacks. Understanding these processes is important for managing stress and maintaining psychological health.

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Panic attacks are sudden episodes of intense fear or discomfort that can occur for no apparent reason. They are accompanied by physical symptoms such as rapid heartbeat, sweating, trembling, shortness of breath, and fear of losing control. These attacks can significantly impact quality of life, causing avoidance of certain situations or places.

Overcoming panic attacks requires a comprehensive approach. It is important to see a specialist for diagnosis and development of an individualized treatment plan. Psychotherapy, especially cognitive behavioral therapy, can help change the thinking and behavior that contribute to attacks. Medication under the supervision of a doctor should also be considered.

Additional methods, such as breathing exercises, meditation, and physical activity, can be helpful in managing symptoms. Support from loved ones also plays an important role in the recovery process. Creating a safe and supportive environment can help reduce anxiety and improve emotional well-being.

Coping with panic attacks is possible if you take proactive measures and seek help.

How to quickly cope with stress?

There are several methods.

Physical activity. In response to a stressor, our body prepares us for the fact that now we will have to run or fight, and tense muscles, which have received all the energy accumulated by our body, are waiting to discharge. Walking, dancing, and physical exercise are signals to the body that we have overcome the threat and are safe again.
Deep breathing. The key is to make the exhalation significantly longer than the inhalation. You can use the "5-5-10" pattern: inhale for 5 seconds, then hold your breath for 5 seconds, and exhale for 10 seconds. A minute and a half of this breathing exercise will significantly ease the condition.
Sincere laughter and crying. Oddly enough, watching a comedy show or a touching movie is an effective way to relieve emotional tension and end the stress reaction.

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