In letters to Monument, Workit Health and Cerebral, the senators expressed concern about reports that the companies are sharing health data with third parties like Google and Facebook.
Facebook CEO Mark Zuckerberg compared virtual reality workouts to Peloton.
Facebook removed a slew of pages, groups and accounts for spreading COVID-19 vaccine misinformation on its platforms.
HIMSS21 Digital
At an UpNext panel at HIMSS 21 Digital, health leaders at Facebook, YouTube and CBS News discussed the lessons learned from a year and a half of COVID-19.
The company noted that the network of these accounts operated in Russia.
HIMSS21 Digital
KX Jin, Dr. Garth Graham and Darius Walker will join HIMSS Media's Jonah Comstock for a virtual panel discussion as part of UpNext.
The move follows recent White House criticism of social media sites for spreading public health misinformation.
Facebook also announced it would make its Brain-computer Interface tools open source.
According to the Verge, Facebook spent $1 billion developing the tool.
The social media giant will begin notifying its users when they become eligible for a COVID-19 vaccine in their state.