Nowadays, Cookie Monster doesn't only eat cookies. In 2005, "Sesame Street" kicked off a Healthy Habits for Life initiative. In each episode, a celebrity and a muppet offer advice.

Years ago, a reader wrote probing for details on a mystery that had vexed him: What’s the deal with the cookies that Cookie Monster eats? The email said nothing else.

Sesame Street's Cookie Monster is getting a healthy makeover as the children's show begins focusing not just on teaching numbers and letters but also emotional and physical health.

It may seem like Cookie Monster chows down on ordinary treats, but the history and science behind his beloved baked goods is much more complex.

Somewhat recently, “Sesame Street” and its creators have tried to shift Cookie Monster’s love for cookies onto some other, healthier foods in an effort to encourage kids to eat healthier. In fact, ...

Read more of Sopan Deb’s reporting on Cookie Monster’s cookies here. The New York Times Audio app is home to journalism and storytelling, and provides news, depth and serendipity.