They take more time off work because of their various ailments, and when they are at work the morbidly obese produce less, equivalent to 22 days of lost production per year.
Know the signs of depression: apathy, loss of energy, loss of appetite, impaired concentration, loss of interest in favorite activities, feeling guilty, worthless, or hopeless.
By 2007, the rate had dropped to 11.2 per 100, 000 people and suicide was the 11th leading cause of death in the United States, accounting for 34, 598 deaths.
Natural soil fertility is dropping in many areas because of continuous industrial fertiliser and pesticide use, while the growth of algae is increasing in lakes because of the fertiliser run-off.
Jeffrey Passel, a demographer at the Pew Hispanic Centre, estimates that the number of illegal immigrants in America fell by 500,000 between 2007 and 2008.
In the 1920s demand for American farm products fell, as European countries began to recover from World War I and instituted austerity programs to reduce their imports.
Today, Barclays (BCS) announced that it plans to cut 3, 000 jobs this year, and that the company's pretax profit dropped about 33% from the previous year.