article_snippet.sent: Facebook is often linked with depression, social anxiety and other mental health issues.
article_snippet.sent: the researchers explained: 'the researchers goal is to accelerate genetic and health research using social media. '
article_snippet.sent: We use Facebook because of Facebook vast existing social network, continued the researchers. '
article_snippet.sent: Using Facebook will allow the study to grow both quickly and optimally through word of mouth. '
article_snippet.sent: Otherwise, the study is independent of Facebook.
article_snippet.sent: Facebook has more than 1.3 billion users but there are millions more visits from people who are not signed up.
article_snippet.sent: Researchers from the University of Leuven said Facebook puts tracking cookies on internet users' laptops, PCs and phones when the visit facebook.com so Facebook can target PCs and phones with online advertising.