Lumps and bumps are outward signs our bodies use to alert us that something might not be right on the inside. But not all lumps and bumps are signs of illness. Mayo Clinic surgeon Dr. David Farley explains which lumps and bumps signal something serious ... and which ones don't.

a tick on a blade of grass - courtesy CDC
Courtesy CDC

Also on the program, it's tick season, and parasitologist Dr. Bobbi Pritt explains how to protect against tick-borne diseases.

And registered dietitian Katherine Zeratsky has useful suggestions for how to plan a picnic that combines good nutrition and food safety.picnic foods on a blanket

Myth or Matter-of-Fact: A cyst is a type of lump that is usually harmless.

Mayo Clinic Radio is available on iHeart Radio.

Click here to listen to the program on Saturday, May 30, at 9:05 a.m., and follow #MayoClinicRadio.

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Mayo Clinic Radio is a weekly one-hour radio program highlighting health and medical information from Mayo Clinic. The show is taped for rebroadcast by some affiliates.

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