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Can Facebook Help Predict and Monitor Disease? Study Says “Yes”


STONY BROOK, NY, June 19, 2019 – A new study reveals Facebook posts alone can predict some 21 diseases and conditions, many of them interrelated such as diabetes and hypertension, and anxiety and depression. This is one of the lead findings in a study published in PLOS ONE by researchers at Stony Brook University and Penn Medicine. The study, say the authors, has the potential with patient consent to use language in posts to not only predict disease but help monitor diseases just like physical symptoms.

The study included 999 participants who consented to share their social media posts and medical records. It involved an analysis of approximately 20 million words. The researchers looked at language patterns – words, phrases, clusters of related words — and their statistical association with 21 standard categories of medical record diagnoses indicating conditions.

This chart illustrates the predictive value of Facebook posts in a study of language indicative of 21 medical conditions.

“Our predictions from language captures diagnosis of diabetes about as well as predictions based on one’s body mass index,” says H. Andrew Schwartz, PhD, Senior Author and Assistant Professor of Computer Science in the College of Engineering and Applied Sciences at Stony Brook University, citing one key example of disease prediction accuracy from the study. “We can treat language pattern analogous to a genome and see similar diseases seem to have similar linguistic patterns.”

Further describing the method and its potential as a clinical tool, Schwartz, also a Visiting Assistant Professor at Penn in Computer and Information Science explains: “Our digital language captures powerful aspects of our lives that are likely quite different from what is captured through traditional medical data. Many studies have now shown a link between language patterns and specific disease, such as language predictive of depression or language that gives insights into whether someone is living with cancer. However, by looking across many medical conditions, we get a view of how conditions relate to each other, which can enable new applications for AI for medicine.”

The method appears to have strong correlations to predicting mental health conditions, such as anxiety, depression, and psychosis in some patients. And with certain diseases, such as diabetes and mental health conditions, Facebook posts can predict disease more often than demographic information.

“Our study is also important because most of the data tracked in medicine does not capture our everyday ecological and psychological factors that relate to health,” adds Schwartz. “With that Facebook posts have the potential as a tool to monitoring many common and widespread diseases.”

“The work is early, but our hope is that the insights gleaned from these posts could be used to better inform patents and providers about their health,” adds Raina Merchant, MD, MS, lead author and Director of Penn Medicine’s Center for Digital Health and Associate Professor of Emergency Medicine.

Three models were used to analyze the predictive power for the patients. One model only analyzed Facebook post language, another used demographics such as age and sex, and a third combined the two datasets. The researchers found that Facebook posts alone predicted all 21 conditions, and for 10 of the conditions Facebook better predicted them in comparison to demographic information.


About Stony Brook University
Stony Brook University, widely regarded as a SUNY flagship, is going beyond the expectations of what today’s public universities can accomplish. Since its founding in 1957, this young university has grown to become one of only four University Center campuses in the State University of New York (SUNY) system with over 26,000 students, more than 2,700 faculty members and 18 NCAA Division I athletic programs. Our faculty have earned numerous prestigious awards, including the Nobel Prize, Pulitzer Prize, Indianapolis Prize for animal conservation, Abel Prize and the inaugural Breakthrough Prize in Mathematics. The University offers students an elite education with an outstanding return on investment: U.S.News & World Report ranks Stony Brook among the top 40 public universities in the nation. Its membership in the Association of American Universities (AAU) places Stony Brook among the top 62 research institutions in North America. As part of the management team of Brookhaven National Laboratory, the University joins a prestigious group of universities that have a role in running federal R&D labs. Stony Brook University fuels Long island’s economic growth. Its impact on the Long island economy amounts to $7.38 billion in increased output. Our state, country and world demand ambitious ideas, imaginative solutions and exceptional leadership to forge a better future for all. The students, alumni, researchers and faculty of Stony Brook University are prepared to meet this challenge.



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