Husband-and-wife reality stars Bill and Giuliana Rancic, host of E! News, ask Dr. Oz about cell phone radiation and whether or not it has an effect on fertility. Watch to find out.
Click here to watch Carol Burnett ask about maintaining mental acuity.
Click here to watch Molly Ringwald ask about the benefits of the Mediterranean diet.
Click here to watch Valerie Harper ask about knee-strengthening exercises.
Click here to watch Michael Emerson ask about natural ways to heal bruises.
Click here to watch Deadliest Catch's Capt. Keith Colburn ask about stroke prevention.
Click here to watch Ace of Cakes' Duff Goldman ask about food allergies.