Americans are in the midst of an energy crisis! The culprit? Low thyroid -- you and your doctor may not even know you have it. Here's the ten-step program to conquer it.Fatigue; weight gain; depression; arthritis; high cholestrol; low sex drive; skin, digestive, and female problems; abnormal blood pressure -- all may be symptoms of low thyroid, one of the most misdiagnosed disorders in America.