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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
Rideshare services partner with hospitals to take patients in need to their appointments02:00
Heat waves: Everything you need to know to stay safe01:42
Recent salmonella outbreak: How to protect yourself01:46
Are health care companies using private data to raise insurance rates?03:34
Your brain wants you to have sex. Here's how that works.02:15
How Jeannie and Jim Gaffigan battled a tumor with comedy03:40