"The happier and more fulfilled individuals are in their lives, the more productive and successful they will be in their work, translating to higher wages," the team added.
In the absence of these elements, people may become susceptible to loneliness, social anxiety and depression -- all factors that can affect their working life.
The team also found that those with heart problems, such as coronary heart disease and angina, are a whopping 11.4 percent less sexually active, the study found.
The paper is set to be published in the International Journal of Manpower.
