Female Male adult female 515 male 514 human 475 Humans 432 Adult 375 controlled study 345 article 341 priority journal 282 Middle Aged 250 aged 152 Article 147 Aged 146 major clinical study 145 Adolescent 137 Animals 130 physiology 123 middle aged 118 nonhuman 117 Young Adult 115 clinical article 113 adolescent 112 Argentina 110 animal 103 child 75 Child 74 genetics 71 metabolism 66