Note to users. If you're seeing this message, it means that your browser cannot find this page's style/presentation instructions -- or possibly that you are using a browser that does not support current Web standards. Find out more about why this message is appearing, and what you can do to make your experience of our site the best it can be.
A group of public-health researchers has taken out newspaper advertisements to protest a move by Congress to block a study of tobacco-industry lobbying. The target of their protest is the congressman who is spearheading the effort to increase the budget of the National Institutes of Health.