Dr. Collin Popp is a registered dietitian who offers nutrition counseling services. He is the CEO of Popp Nutrition based in ...

The new XFG COVID variant, aka "Stratus," is spreading rapidly in the U.S. as cases rise. Here's what to know about the ...

Taylor Swift will make her debut on Travis and Jason Kelce's "New Heights" podcast as she reveals her new album, "The Life of a Showgirl." Follow for live updates.

Dr. Natalie Azar is the medical contributor for NBC News and an assistant clinical professor of medicine and rheumatology at NYU Langone.