Social interaction Humanities 113 COVID-19 18 obesity 15 physical activity 14 mental health 13 children 11 health 11 Social & cultural anthropology, ethnography 10 adolescents 10 disability 9 machine learning 9 public health 9 quality of life 9 Social aspects 8 aging 8 depression 8 gender 8 healthcare 8 Europe 7 anxiety 7 apoptosis 7 blood pressure 7 cancer 7 education 7 exercise 7 health promotion 7 inflammation 7 integration 7 metabolic syndrome 7