The Surprising Reason You’re Always Tired: Learn about your thyroid—and how it may be hindering your health

In 2001, Kim Rhyne gained 20 pounds in six weeks. Normally an energetic women's ministry leader in Cleveland, she was suddenly so exhausted that she could barely drag herself out of bed. "I wasn't eating a lot more or doing anything any differently than I had been before," says Kim. "I had no idea what was going on with my body."

Always Cold? Low Pulse and Body Temperature, Cold Hands, Feet and Nose

Ever notice how cold you are, even when you're indoors, or when the temperature outside isn't that cold?