Harvard Gazette: Mental health ills are rising. Do mood-tracking apps help?

Harvard Gazette: Mental health ills are rising. Do mood-tracking apps help?. “Jukka-Pekka Onnela is an associate professor of biostatistics and co-director of the Master of Science in Health Data Science program in the Harvard T.H. Chan School of Public Health. He studies how data collected from digital devices can help us understand our social interactions, behavior, and moods. The Gazette spoke with Onnela to better understand how the mood tracking works. This interview has been edited for length and clarity.”