http://articles.mercola.com/sites/articles/archive/2008/01/02/interferon-causes-depression.aspxInterferon-alpha -- which is used to treat adult leukemia, certain kidney cancers, the skin cancer melanoma, and hepatitis B and C -- may cause depression and other side effects, researchers report. Common side effects associated with IFN-a (interferonenCommunityServer 2008.5 SP1 (Build: 31106.3070)