Google and Facebook collect information about users' bad habits.

The JAMA Network Open magazine’s research has shown that many applications to combat depression and harmful

habits transfer confidential user information to third-party companies.

What is known

It turned out that 33 of the 36 free applications forAnti-smoking and depression transmit data to Facebook and Google. 29 out of 36 applications transmitted data for advertising and marketing purposes or for analytics. Users in such supplements may indicate information about their mental health problems or narcotic substances.

In addition, companies received namesusers who are trying to get rid of various dependencies. This situation is more proof that personal information about your health should be trusted only to professionals, and not to mobile applications and all questionnaires.