A lot of written material has been produced over the years explaining various types of depression and their treatments. Similarly, a lot of data has been produced regarding seasonal affective disorder due to the increased number of diagnosed cases in the recent years. A lot of information is available on line and in books. The information on the internet may not always be the best and precise. Thus a book is more trustworthy than the internet.

A number of light box products are available in the market that claims to assist in seasonal affective disorder. However, all light boxes may not meet the requirements needed to treat SAD. The requirements include: the light box you purchase should have been tested in peer-reviewed clinical trials. Product specifications must be printed legibly. Preferably go for lamps that emit white light.
It is important to make an informed decision in choosing from the various light boxes.

For people suffering from seasonal affective disorder, any form of light therapy may prove to be advantageous. Due to the bright light therapy having a few drawbacks, researchers began devising other forms of treatment that included use of light in a different more potent way.

Another form of treatment apart from the more common bright light one to treat seasonal affective disorder is the use of dawn simulators. It basically involves setting the timings so that the light comes on automatically form about half and hour to two hours before you wake up.

Recall that seasonal affective disorder, or SAD, is a form of mood disorder in which people become depressed during the winter months, when there are fewest hours of daylight. Their moods then brighten in summer months, when there is more daylight each day. It turns out that people with SAD who are exposed to bright lights for a few hours each day during the winter months often experience complete relief form their depression within a couple of days.

SAD or Seasonal Affective Disorder is a kind of depression usually influenced by seasons. It is a subtype of major depressive disorder.
These could be of two types – winter onset and summer onset. Winter onset is the most common one among the two. It begins in late fall and ends with the advent of summer. On the other hand summer onset begins in late spring or early summer and wards off by the beginning of winter.