PHAT: Monitoring Obesity Trends with Social Data

Obesity accounts for 21% of US healthcare costs, even as billions of dollars are spent on prevention. We equip policy makers with tools to evaluate these investments, supplementing traditional surveillance by making real-time measurements of social media to infer behavior among Americans. We combine our predictions of gender, age, and location of social media users with surveys from the CDC, and identify social media predictors of real-world behavioral trends.

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