Celebrity chef and star of the Food Network's Ace of Cakes wants to know: What happens to the body during a food allergy attack? Dr. Oz explains how the immune system functions during such an event - and teaches you the crucial first-response steps to help someone suffering from a life-threatening allergic reaction.
To learn more about first aid and what to do in an emergency situation, click here.
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 Bill and Giuliana Rancic ask about cell phones and fertility.