These signals would not prove that someone has a mental health condition, but they could help identify changes that merit further investigation. Most of the existing research examined financial hardship as a cause of mental health problems. The authors describe the integration of objective financial data with mental health research as a critical step toward earlier identification of vulnerability and more targeted intervention. Their study, led by Dr Mark Matthews, was published in Frontiers in Public Health under the title “Money and mental health: a scoping review of financial variables, data sources, and analytical methods.” DOI: 10.3389/fpubh.2026.1812845Keywords: financial wellbeing, mental health, financial behaviour, objective financial data, banking data, machine learning, depression, anxiety, bipolar disorder, psychological distress, mental health research, UCD