This article is by Carl Hulse, Kate Zernike and Sheryl Gay Stolberg.

Carl Hulse contributed reporting from Washington, and Sheryl Gay Stolberg from Iowa City.

Sheryl Gay Stolberg, Mark Mazzetti and Carl Hulse contributed reporting.

Sheryl Gay Stolberg contributed reporting.

Sheryl Gay Stolberg reports on medicine and health policy for The New York Times.

Even with all that Sam G. has had to deal with in his young life, he's one of the lucky ones (Sheryl Gay Stolberg, Nov. 17).

Sheryl Gay Stolberg reported from Washington and Bill Vlasic from Detroit.

Although it raises some doubts about medicating 3- to 5-year-olds, Sheryl Gay Stolberg's article (Nov. 17) basically purports to show that medication is safe and necessary for some children.

Sheryl Gay Stolberg, White House correspondent, answered questions from readers Nov. 10-14, 2008.