Advertisement Letters02:37DownloadXCopy the code below to embed the WBUR audio player on your site<iframe width="100%" height="124" scrolling="no" frameborder="no" src="https://player.wbur.org/radioboston/2011/01/19/letters-7"></iframe>Copy embed codePlayJanuary 19, 2011TwitterfacebookEmailThis article is more than 10 years old.Nature deficit disorder, nurses and Zelenka — we open up the Radio Boston mailbox to read your feedback.This segment aired on January 19, 2011.
