Good health often is reflected in an attractive, youthful appearance. So you might be tempted to blame aging and stress for facial lines, unsightly fingernails, or hair loss when, in fact, these flaws can signal underlying health issues, says integrative medicine specialist Molly M. Roberts, M.D., of the Institute for Health & Healing, in San Francisco, and president of the American Holistic Medical Association.
"It'll start by whispering, then it'll start talking, and, if you don't pay attention, it'll start yelling and shouting, and then you've got an illness," she says.
Here are 15 physical signs that trouble may be lurking beneath the skin's surface.
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