body mass index obesity 11 Humanities 5 Medicine 5 Social interaction 5 nutrition 5 body composition 4 children 4 epigenetics 4 exercise 4 physical activity 4 vitamin D 4 weight loss 4 Biology, life sciences 3 Food & society 3 Research & information: general 3 aging 3 cardiovascular disease 3 depression 3 diabetes 3 genetics 3 gut microbiome 3 inflammation 3 macronutrients 3 meta-analysis 3 metabolic syndrome 3 overweight 3 treatment 3 BDNF 2 Japanese 2