Female Humans adult human 503 female 483 Male 432 male 411 Adult 394 article 347 controlled study 322 Middle Aged 276 priority journal 264 aged 154 Aged 142 major clinical study 135 Adolescent 126 clinical article 125 middle aged 124 Young Adult 121 Argentina 110 Article 109 adolescent 105 physiology 92 Animals 73 human experiment 70 nonhuman 70 child 68 Child 63 young adult 60 metabolism 59