What are the hours of work? <a href=" http://www.prisonersonthemove.eu/essay-about-population-growth ">education is the key to success essay</a> "People need to love and be loved (sexually and non-sexually) by others. In the absence of these elements, many people become susceptible to loneliness, social anxiety, and depression that could affect their working life," said study author Nick Drydakis, an economics lecturer at Angila Ruskin University in Cambridge, England in an email, via CBS News.