Adolescent Humans 61 adolescent 61 child controlled study human 61 male 60 female 59 Female 57 Male 56 Child 55 psychology 52 adult 37 Article 34 major clinical study 31 Adult 28 Young Adult 23 young adult 23 child parent relation 21 article 18 physiology 16 randomized controlled trial 15 preschool child 13 procedures 13 school child 13 Child, Preschool 12 Middle Aged 12 Parents 12 middle aged 12 risk factor 12