In a one-of-a-kind social experiment, the University of British Columbia found people with a household income up to $123,000 who received $10,000 were happier for at least six months.In a one-of-a-kind social experiment, the University of British Columbia found people with a household income up to $123,000 who received $10,000 were happier for at least six months.Read MoreHealth News | Mail Online