50 Questions from 50 Ages

Zenna, 20, says she used to love to run but now has exercised-induced asthma. She asks how she can burn a similar amount of calories without becoming short of breath.

Nancy, 33, says, “A few hours after I shave my legs they itch like crazy! It’s always a delayed reaction and I can’t stop scratching. What can I do?"

Health questions from viewers of all ages: Can you eat too much fruit? Why do you take some medications with food? And are "lefties" more at risk for heart problems? Plus 47 more questions answered!

Kayla, 15, asks why pinching your elbow skin doesn't hurt or have much feeling at all.

Arnold, 57, wants to know what’s healthier: Drinking one cup of strong coffee or multiple cups of weaker coffee?