http://articles.mercola.com/sites/articles/archive/2008/01/02/temperature-regulation-for-thyroid-testing.aspxDo you ever experience fatigue, depression, difficulty concentrating, difficulty getting up in the morning, cold hands and feet or intolerance to cold, constipation, loss of hair, fluid retention, dry skin, poor resistance to infection, high cholesterolenCommunityServer 2008.5 SP1 (Build: 31106.3070)