Editor's note

Dear Readers,

Published: May, 2010

This is the third year that we have devoted the entire May issue to our "By the way, doctor..." question-and-answer format. It's quickly become one of our most popular issues.

The topics covered range from vitamin B12 supplements to gourmet salt to excessive belching. A total of 10 Harvard-affiliated doctors fielded questions.

To continue reading this article, you must log in.
  • Research health conditions
  • Check your symptoms
  • Prepare for a doctor's visit or test
  • Find the best treatments and procedures for you
  • Explore options for better nutrition and exercise

New subscriptions to Harvard Health Online are temporarily unavailable. Click the button below to learn about our other subscription offers.

Learn More »