Is Facebook Tracking Your Health Without Your Knowledge?

How secure is user information collected by mobile health apps and fitness trackers? Perhaps not as safe as consumers would like to believe.

According to a February report in the newspaper The Wall Street JournalAnd the Many health apps share personal data with Facebook without users’ knowledge.

β€œHealth apps and trackers may silently pull personal data β€” food preferences, body weight, sleep data, heart rhythm, steps taken, menstrual cycles, as well as vital signs β€” and transfer that data to entities like Facebook without your knowledge or permission,” Robert says. Glatter, MD, a physician in the department of emergency medicine at Lenox Hill Hospital in New York City.

One app allowed Facebook to see if a user had engaged in sexual activity, while another app shared information about whether a person needed to work on losing “belly fat.”

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