Can Facebook be Used to Predict and Fight Obesity?

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Have you ever wondered, if the things people "like" on Facebook actually reflect their interests? What if your Facebook friends are feigning interests to look cool?

A new study might put your suspicions to rest. The study finds that people’s likes on Facebook tend to reflect their real-world practices, at least when it comes to fitness and wellness.

The study focuses on obesity, and the authors say that Facebook likes are good indicators of a neighborhood’s obesity levels.

Rumi Chunara, an author of the study, and an instructor at Harvard Medical School and Boston Children’s Hospital explains her findings.