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The rapid growth of wearable and mobile sensing technologies has enabled the continuous collection of highly granular behavioral data over time. These intens...

From tablets to televisions, smartphones to gaming consoles, screens are an ever-present part of daily life. In the U.S., children between the ages of 8 and 10 spend an average of six hours per day on...

Background Adolescent girls tend to be less physically active than boys, a trend that coincides with puberty. Menstruation may act as a barrier to physical activity, which in turn may influence menstr...