Work for young people and care of elderly people are problems as world's population hits seven billion.
Nigel
N
Hawkes
D000293:Adolescent; D000368:Aged; D002648:Child; D004651:Employment; D005260:Female; D014943:Global Health; D006299:Health Services for the Aged; D006801:Humans; D008297:Male; D011158:Population Growth; D055815:Young Adult