aged human male female 233 article 219 adult 213 Male 193 Humans 179 Aged 175 priority journal 172 Female 170 controlled study 153 Middle Aged 145 Adult 121 major clinical study 98 clinical article 79 middle aged 64 adolescent 49 Adolescent 45 Argentina 43 Aged, 80 and over 42 human cell 36 Child 31 Alzheimer disease 30 Animals 30 child 29 Article 28 clinical trial 28 nonhuman 25 depression 24