Harvard Health Letter

Editor's note

Dear Readers,

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.

We've also produced short videos featuring several of the doctors who answered questions — including yours truly. You'll find the videos posted on our Web site at www.health.harvard.edu/healthextra.

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