aged article human adult 219 male 219 female 215 priority journal 184 Aged 181 Humans 179 Male 161 Female 160 controlled study 153 Middle Aged 149 Adult 127 major clinical study 94 clinical article 87 adolescent 51 Adolescent 49 middle aged 48 Argentina 43 Aged, 80 and over 42 human cell 36 Child 33 Alzheimer disease 30 human tissue 30 child 29 clinical trial 28 Animals 26 depression 26 protein expression 24