Rossen Reports: How Accurate Are Those Wearable Fitness Trackers?


So many depend on wearable fitness trackers to count every step and calorie, but how do you know if they’re correct? NBC News’ national investigative correspondent Jeff Rossen uncovers their accuracy

Nightly Spotlight

Inspiring America

Nightly Films

World News


Stay up-to-date on the latest health and medical news.

Play All


Coverage of extreme weather events affecting people across the country.

Play All


The best political reporting from Nightly News and the NBC News politics team.

Play All

Full Episodes of Nightly News