human 12 Humans 10 female 10 adult 9 male 8 Female 7 Young Adult 7 young adult 7 Adult 5 Male 5 article 5 human experiment 5 Adolescent 4 Asian history 4 Biography: general 4 The arts: general topics 4 adolescent 4 physiology 4 psychology 4 College students 3 Media studies 3 Universities 3 college 3 major clinical study 3 questionnaire 3 student 3 Article 2 Children's & teenage literature studies 2 Education 2 Health Knowledge, Attitudes, Practice 2