Subtle clues—from handwriting to snoring—can reveal the earliest warnings of illness. Here's how to read your own distress ...

Diarrhea, fatigue, and skin rashes are symptoms of celiac disease. This WebMD slideshow presents a comprehensive look at celiac -- from damage to the intestines to foods that trigger the disease ...

Every time she had a flare-up, Amy suffered in silence, thinking that the skin rashes and stomach cramps were temporary. When they continued, she decided to tell her parents. Medical tests revealed ...