aged female human male 233 adult 215 article 215 Female 187 Humans 177 Aged 167 Male 167 priority journal 164 controlled study 151 Middle Aged 145 Adult 123 major clinical study 102 clinical article 86 middle aged 66 adolescent 53 Adolescent 47 Argentina 45 Aged, 80 and over 39 clinical trial 32 Child 31 Alzheimer disease 30 child 29 human cell 29 Article 28 depression 26 Animals 23 human tissue 23