The strongest theory regarding the development of seasonal depression is that the decrease in the amount of sunlight affects brain chemistry. Reduced sunlight disrupts the balance of hormones in the brain, such as serotonin and melatonin, which regulate mood, sleep, and appetite. Some measures that can be effective in preventing seasonal depression include: making the most of sunlight; keeping homes and workplaces well-lit; not neglecting walks and physical activity outdoors; maintaining a balanced diet; avoiding unhealthy carbohydrates and consuming foods rich in omega-3 fatty acids; keeping social connections alive and organizing social activities; going to bed and waking up at the same time every day; and not allowing any deviation from the natural rhythm of sleep hours.
The decrease in daylight affects brain chemistry.
Seasonal depression is defined as "depression clinically associated with seasonal cycles." The main characteristic of seasonal depression is that depressive symptoms begin during certain seasons of the year, usually autumn and winter, while in other seasons the symptoms either disappear completely or subside to a level that does not reach the severity of the disorder. This natural course is the strongest indication that the process is directly related to sunlight. This condition is not simply defined by 'feeling bad', but presents with a clinical picture that impairs daily functioning.
Winter depression is a subtype of seasonal depression.
Seasonal depression and winter depression are not exactly the same, but seasonal depression is more commonly known as 'winter depression' or 'winter sadness' because the vast majority of cases occur during the autumn and winter months. However, there is also a rare 'summer type' of seasonal depression. In the summer type, symptoms usually begin in the spring and summer months, and insomnia, loss of appetite, restlessness, and anxiety may be more prominent. The winter type is more common and is characterized by 'atypical depression' symptoms such as excessive sleepiness, an excessive craving for high-carbohydrate foods, increased appetite, and weight gain. Therefore, 'seasonal depression' is a more comprehensive term, while 'winter depression' can be considered its most common subtype.
Winter blues are a normal and temporary condition.
It's normal to experience depressive feelings during the winter months. The early darkening of the days, the cold, overcast weather, and reduced social activity often lead to a certain amount of sadness, low energy, and withdrawal, which is normal and temporary for many people. This is sometimes called 'winter blues'. However, these feelings differ from pathological depression if they don't prevent a person from fulfilling their daily responsibilities and don't develop into a deep, prolonged state of despondency lasting for weeks. Most people feel more cheerful and peaceful during sunny times.
There are various causes of depression that occur during the winter months. The most significant is the lack of light. Reduced sunlight decreases serotonin production and increases melatonin production. Melatonin plays a crucial role in regulating sleep. This imbalance leads to energy loss, sleep disturbances, and a depressed mood. Furthermore, cold weather reduces socialization efforts, physical activity, and the tendency to go outside. These psychobiological effects can create a fertile ground for depression. Gloomy moods and dark weather can trigger negative thought patterns and pessimism. The fact that seasonal depression is more common in countries with less sunlight throughout the year can be attributed to this factor.
Pay attention to the depressed mood chart!
The symptoms of seasonal depression largely overlap with those of classic depression, but some are specific to the season. Often, a depressed mood dominates the picture. This can be defined by persistent feelings and thoughts of sadness, hopelessness, and feelings of worthlessness. There is also a loss of interest in previously enjoyable activities. This lack of interest can encompass various hobbies and social activities. Other important findings include extreme fatigue, loss of energy, excessive sleepiness, excessive consumption of carbohydrate-rich foods, weight gain, difficulty concentrating, social withdrawal, a feeling of heaviness in the arms and legs, restlessness, or mental slowness.
Seasonal depression can last 4-5 months.
Seasonal depression can begin in the fall and last until spring. It is generally cyclical and associated with seasonal changes within defined time intervals. Symptoms typically begin in the fall, peak during winter, and improve or disappear completely in the spring with increased sunlight. This typically lasts for 4-5 months. However, this duration can vary from person to person, depending on the latitude of the region and the weather conditions of that year. In some cases, if the depression is not treated properly, symptoms may recur in each cycle.
When should you consult a specialist?
The most critical distinction between "winter blues" and clinically significant "seasonal depression" is the impairment of functioning. In some cases, it is absolutely necessary to consult a mental health professional. These situations can be listed as follows: If symptoms are felt every day, for most of the day; if going to work or school, doing household chores, or maintaining social relationships becomes significantly difficult or impossible; if sleep and appetite disturbances seriously affect quality of life; if thoughts of hopelessness and helplessness are intense; if there are thoughts of death or suicide, a specialist should be consulted without delay. The presence of suicidal thoughts indicates that the case is quite severe and urgent. In short, when the situation reaches the point of "I can't do anything anymore, life is unbearable," rather than just "I'm feeling a little down," seeking professional help is vital.
If left untreated, it can become chronic.
While timely intervention is crucial for seasonal depression, if left untreated, it can become chronic and cause significant impairments in a person's life, rather than just a temporary problem. Primarily, it can lead to decreased work and school performance and withdrawal from social relationships. Like other types of depression, it can increase the tendency towards alcohol and other substance abuse. Seasonal depression can also predispose individuals to other medical conditions due to unhealthy eating, inactivity, and intense stress. In severe forms of depression, the risk of suicide is significantly high.
Homes and workplaces should be kept well-lit.
Some measures to prevent seasonal depression include, firstly, taking advantage of sunlight as much as possible to weaken the biological causality. This is more feasible during daylight hours. Homes and workplaces should be kept well-lit. If possible, walks and physical activities outdoors should not be neglected. Exercise itself can be beneficial in all forms of depression. Furthermore, a balanced diet is crucial. Unhealthy carbohydrates should be avoided, and foods rich in omega-3 fatty acids should be consumed. Social connections should also be maintained, and social activities should be organized.
Pay attention to your sleep schedule!
Another important aspect of preventing seasonal depression is sleep patterns; one should go to bed and wake up at the same time every day. The natural rhythm of sleep should not be disrupted. Stress management is also crucial. Avoiding stressful activities can be protective. If an individual has experienced similar problems in the past and these problems have caused severe symptoms, seeking professional help at the very beginning of depression is extremely important.
Seasonal depression should not be ignored.
Seasonal depression is a disorder that should not be ignored. It is not a natural 'laziness' or 'temperament and character' trait, but a biologically based reality. Awareness and early intervention are extremely important. When an individual notices symptoms in themselves or a loved one, they should explore the possibilities of early intervention.
Seasonal depression is treatable.
Seasonal depression can be treated quite effectively. These treatments can be listed as follows:
Phototherapy (Light Therapy): This is one of the most specific and effective treatment methods. Exposure to bright white light from a special device for about 30 minutes in the mornings compensates for the lack of sunlight, regulating brain chemistry. The effects usually begin to be seen within a few days to two weeks.
Psychotherapy: Various forms of psychotherapy are used in treatment. Psychotherapies focus on changing negative thought patterns, reorganizing behaviors through activity, and developing skills to adapt to seasonal changes. In addition, some schools of therapy focus on negative emotions to increase the capacity to cope with them.
Medication: In severe cases, various antidepressant medications can be used under medical supervision. In individuals who have previously experienced similar depression cycles, preventive antidepressant treatment can be initiated before the onset of symptoms and gradually discontinued as the season passes.
Vitamin D SupplementVitamin D levels, which drop due to less sunlight in winter, can worsen depression. Supplements can be taken as recommended by a doctor.
FACULTY OF MEDICINE
Head of the Department of Mental Health and Diseases
Prof. Dr. Hasan BELLİ
