obesity human 191 Humans 159 female 139 male 131 Obesity 120 adult 117 Article 105 Female 101 body mass 89 Male 87 controlled study 76 Adult 73 major clinical study 58 middle aged 58 risk factor 50 Body Mass Index 48 Middle Aged 47 adolescent 40 Adolescent 37 Risk Factors 37 complication 37 Overweight 35 body weight 35 aged 34 cross-sectional study 32 child 31 body weight loss 30 prevalence 30 cohort analysis 29