Adult Female Humans adult controlled study human 239 female 226 Male 207 male 195 article 175 priority journal 151 Middle Aged 142 major clinical study 79 clinical article 73 Young Adult 69 aged 66 Article 63 Adolescent 62 Aged 62 middle aged 54 Argentina 47 adolescent 46 human experiment 45 human cell 38 metabolism 37 normal human 37 human tissue 35 physiology 35 genetics 32 nonhuman 32