anxiety human 223 female 182 Humans 179 male 177 adult 144 Article 136 Anxiety 134 depression 133 Female 118 Male 108 controlled study 99 psychology 94 major clinical study 82 Adult 78 Depression 61 middle aged 52 adolescent 51 anxiety disorder 49 questionnaire 49 young adult 48 Middle Aged 43 Young Adult 43 Adolescent 42 article 42 physiology 41 aged 40 child 34 Anxiety Disorders 33 Surveys and Questionnaires 33