1. Does working longer make people healthier and happier? Publication: Chestnut Hill, MA : Center for Retirement Research at Boston College, c2006 Subject(s): Aging -- psychologyEmployment -- statistics & numerical dataHappinessHealth StatusQuality of LifeWork -- psychologyAge FactorsAged -- psychologyIncomeLife ExpectancyMiddle Aged -- psychologyRetirement -- economicsRetirement -- statistics & numerical dataTime FactorsWork -- statistics & numerical dataHumansUnited States
2. There are thousands of reasons to live, being gay is one of them Publication: Seattle, Wash. : Northwest AIDS Foundation, [19--?] Subject(s): Homosexuality, MaleHappinessHIV Infections -- prevention & control
3. Expression of joy Publication: Bethesda, MD : U.S. National Library of Medicine, National Institutes of Health, Health & Human Services, 2009 Subject(s): HappinessLaughter -- physiologyFacial Expression
