Adventure Comics #109
DC Comic Book: "Methuselah Manor" (10/30/1946)
Johnny Quick exposes a fake Fountain of Youth. (Male AS/old age)
Adventure Comics # 221
Comic Book: (????)
Adventure Comics #317
Comic Book: DC Comics: "The Menace of Dream Girl"
Dream Girl lures four of the Legion of Super Heroes onto a planet where there is a youth potion in the air. (DC)
Adventure Comics #335
Comic Book: DC Comics: "" (08/30/????)
Adventure Comics #338
Comic Book: DC Comics: "Menace of the Sinister Super-Babies"
Glorith tests an hourglass to turn the Legion of Super Heroes into babies.
Adventure Comics #356
Comic Book: DC Comics: "The Five Legion Orphans" (05/30/????)
Five of the Legion are turned into babies on a different planet and are taken care of by the inhabitants. (DC)