20/12/2016 07:29 UTC | James Innes
Commuters in southern England face more travel misery this week as train guards have started strike action, the latest in a long-running series of industrial disputes. Yet even when the trains are running their daily commute can be a stressful experience, in crowded, unpleasant conditions, subject to frequent delays and cancellations. They are not alone. Millions of people around the world are forced to commute for hours to get to work. This leads to chronic stress and a less productive workforce....