How to brighten your SAD day with yellow glasses

Seasonal Affective Disorder, also known as SAD, is a type of depression that affects thousands of people each winter. It strikes between the months of September and April, with most sufferers feeling the worst effects in December, January and February as a result of the lack of sunlight and shorter days.

For many people, SAD is a serious condition that affects their day-to-day lives and requires medical treatment. For many others, seasonal affective disorder is less serious but still causes many problems.

SAD can be treated in various ways....