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Seasonal depression
The sun is our source of life and energy. Seasonal depression may be caused by the lack of sunlight early in the morning that is the reason for disturbances of biological rhythms of human being. This depression is called SAD (Seasonal Affective Disorder). One in every eighteen adults is exposed to winter depression. 80 percent of people suffering from the lack of sunlight are women on average. Two thirds of the sick are not aware of disorders they suffer from.
Symptoms of seasonal depression:
- feeling of sadness
- discomfort, anxiety
- troubles with concentration
- irritability
- tendency to fly into a passion
- avoidance of pleasant situations (anhedonia)
- no motivation
- loss of interests, apathy
- inordinate appetite, especially for sweets
- weakened sexual impulse
- inordinate sleepiness
- lethargy
- feeling of hopelessness
- increase of symptoms of before menstruation
- stress
The main problem of our civilisation is that we live and work in environment where luminous flux density is about 500 lx. This dose is far too small for us to function properly. Many people react for this darkness very sensitively, especially in the autumn and winter. We get up at the artificial light, go to work in darkness, work at the artificial light, returning home at twilight, having a rest at the light of 500 lx.
Advantages of phototherapy:
- prevents from winter depression
- removes bad moods, apathy, feeling of sadness and fear
- helps to fight against sleeplessness
- helps to fight against periodic bulimia
- relieves the menstruation stress
- cheaper than pharmacology
- any side effects
- it may be recommended for persons of any age, phototherapy may be used by both pregnant and suckling women
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Phototherapy can be effective in 80% and does not cause any side effects. Its first effects appear just after a few days.
Phototherapy is very comfortable - it can be used in domestic conditions. You do not have enough time at home - use the lamp at work It is void of harmful ultraviolet radiation because of the special filter that prevents our body from it.
Undesirable symptoms are minimal or they do not occur. Few people complain about headaches or eyes reddening. A larger distance from the source of light and a reduction of the time of irridiation should eliminate such complaints. Phototherapy is not recommended for persons who take pharmacological preparates that cause sensivity to light or have problems with their sight organ.
Phototherapy can be started one week before the time change into the winter time if it is not certain when first symptoms of depression appear. Phototherapy is the most effective method when it is used twice a day: in the morning and early evening (at least two hours before falling asleep).
To suplemment an essential daily dose of sunlight two 30-60 minutes' sessions of irridiation are sufficient. The patrient should sit at a distance of 0,5 m at the lamp and look at that. Therapy with the use of bright light synchronizes biological rhythms regulating secretion of melatonine and restores health.
Various illnesses caused by the disturbance of the biological rhythms include such troubles as winter depression, sleep disturbance resulting from changes of falling asleep time, sleep disturbance caused by multi-shift work, "jet lag" syndrome.
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