S.A.D (Seasonal Affective Disorder) and Winter Blues.

Researchers have found that children and adolescents are vunerable to SAD.

What causes SAD? Research suggest that SAD stems from the lack of bright light in winter and it has been proven that bright light makes a difference to the brain chemistry but it is not clear why some people suffer with this and others don't.

Common symptons ...of SAD are: Sleep problems, oversleeping but not refreshed, cannot get out of bed, needing a nap in the afternoon / Overeating / Depression / Lethargy / Physical symptons, often joint pain or stomach problems, lowered resistance to infection / Behaviour problems.

There are many treatments for SAD and consist of the same thing (Bright Light), find out more here http://www.sad.org.uk/