During the months of November to February, the days start getting shorter and colder, and the nights longer and darker. Climate changes seem to affect many people and they just can’t understand why they tend to feel gloomy and miserable. This mood disorder is called winter depression, or Seasonal Affective Disorder (SAD).
According to Norman E. Rosenthal, the doctor who coined the term SAD in 1984, winter depression has a sound medical basis that involves changes in the body’s mood centers brought on by shorter daylight hours and a lack of sunlight. Most depressive illness sufferers experience a sense of utter isolation and loneliness. But the fact that many people go through the same grumpiness during this time of the year provides a sense of comfort and assurance that they are not alone. As the clich goes misery loves company.
Based on statistics of SAD Association, 500,000 people in the United Kingdom experience some form of winter depression, while doctors have estimated that 20% of the population, or almost 2 million people, are affected in Sweden by this condition.
One of the most effective and clinically proven treatment for SAD is...