Humans male human 792 Male 784 female 626 Female 594 article 586 adult 520 controlled study 486 priority journal 412 Adult 410 Middle Aged 300 Animals 206 aged 186 nonhuman 186 Aged 182 Argentina 174 major clinical study 164 Article 160 Adolescent 156 physiology 154 human cell 152 middle aged 152 clinical article 142 adolescent 134 Young Adult 132 Child 116 animal 116 metabolism 112 child 108