--subdivision Age factors under individual diseases and types of diseases, e.g. Cancer--Age factors; and subdivision Toxicology--Age factors under individual chemicals and groups of chemicals, e.g. Copper--Toxicology--Age factors
Age-discrepant romances -- See May-December romances Here are entered works on adult romantic relationships in which there is a significant age difference between the partners.
--subdivision Aging under individual organs and regions of the body and individual animals and groups of animals, e.g. Heart--Aging; Foot--Aging; Cattle--Aging; Fishes--Aging
Age-heterogamous relationships -- See May-December romances Here are entered works on adult romantic relationships in which there is a significant age difference between the partners.
Age (Law) -- See Also Minors Here are entered legal works on persons below the age of legal competence. Works on child welfare laws and on the laws of government programs to protect children are entered under Children--Legal status, laws, etc.