Your fingernails are clues to your overall health. Many people develop lines or ridges from the cutucel to the tip.

But Dr. Rachel Miest says there are other nail changes you should not ignore that may indicate …

… and other issues. Here are six examples: No. 1 is pitting. This could be a sign of psoriasis. Two is clubbing. Clubbing happens when your oxygen is low and could be a sign of lung issues. Three is spooning. It can happen if you have iron-deficient anemia or liver disease. Four is called "a Beau’s line." It’s a horizontal line that indicates a previous injury or infection. Five is nail separation. This may happen as a result of injury, infection or a medication. And six is yellowing of the nails, which may be the result of chronic bronchitis.

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