Thyroid nodules may also be cysts, fluid-filled cavities, or swellings caused by thyroid inflammation.

CNN: Tipper Gore released from hospital

At a recent golf-industry show, however, the U.S. working group displayed examples of counterfeit clubheads sawed in half, and you can see the type of irregularities that impact performance: irregular interior walls, or supposedly hollow iron-head cavities that instead are solid steel.

WSJ: Psst��Wanna Buy a Counterfeit Golf Club? | Golf Journal by John Paul Newport

The 62-year-old former nurse from Menlo Park, Calif. suffered from chronic sinusitis, a recurring inflammation of the cavities behind the eyes and nose commonly caused by bacterial or viral infections.

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