Millions of people swear by vitamin and mineral supplements, but a new massive report may have consumers thinking twice before refilling their next bottle. NBC’s senior consumer investigative correspondent Vicky Nguyen reports for TODAY on whether or not you really…

Dr. Anthony Fauci, the director of the National Institute of Allergy and Infectious Diseases and chief medical adviser to the president, joins Weekend TODAY to discuss the omicron variant and whether Americans should be concerned about the newly discovered COVID-19…

In the past month alone, COVID-19 infections have increased sixfold in the U.S. But news that the FDA could be moving faster on final approval for one vaccine has some feeling cautiously optimistic. NBC’s Morgan Chesky reports for TODAY from…