Do I need to worry about that weird stuff in my belly button?

Is your belly button basically a tiny armpit? What's actually in belly button lint? How does it even get there? Do you need to worry about it? Glad you asked, because there’s a remarkable amount of science devoted to the lint that lurks in our belly buttons. And here to guide you through it is Dr. Trisha Pasricha, a physician at Beth Israel Deaconess Medical Center, an assistant professor of medicine at Harvard Medical School and The Washington Post’s Ask a Doctor columnist. Subscribe to The Washington Post on YouTube: https://wapo.st/2QOdcqK Follow us: X: https://x.com/washingtonpost Instagram: https://www.instagram.com/washingtonpost/ Facebook: https://www.facebook.com/washingtonpost/ Threads: https://www.threads.com/@washingtonpost Bluesky: https://bsky.app/profile/washingtonpost.com