Dr. Sanjay Gupta Answers Questions About Japan: Submit Your Own

03/14/2011 01:01 am ET | Updated May 25, 2011

Thanks for all of your great questions! The doctor's answers are in. Click here to see what Dr. Sanjay Gupta has to say.

CNN's Dr. Sanjay Gupta is in Japan to report on Friday's devastating earthquake and tsunami. Many are feared lost in the disaster zones, and health concerns now also include concerns of nuclear exposure.