Study of Genes in Relation to Seasonal Affective Disorder and Major Depressive Disorder
Study of Genes in Relation to Seasonal Affective Disorder and Major Depressive Disorder
The investigators are looking for volunteers who have a history of Major Depressive Disorder,
 the Winter Blues, or Seasonal Affective Disorder or healthy volunteers who do not have a
 history of these disorders for a research study on genetics.
The investigators are looking for volunteers who have a history of Major Depressive Disorder,
 the Winter Blues, or Seasonal Affective Disorder or healthy volunteers who do not have a
 history of these disorders for a research study on genetics. Participation involves one 2-3
 hour visit involving two diagnostic interviews, DNA collection, and questionnaires.
Inclusion Criteria:

 -  SAD or MDD

 -  healthy control

 Exclusion Criteria:

 -  drug or alcohol dependence

 -  Bipolar Disorder